K9F1G16U0M-YIB0 [SAMSUNG]

1Gb Gb 1.8V NAND Flash Errata; 1GB千兆1.8V NAND闪存勘误表
K9F1G16U0M-YIB0
型号: K9F1G16U0M-YIB0
厂家: SAMSUNG    SAMSUNG
描述:

1Gb Gb 1.8V NAND Flash Errata
1GB千兆1.8V NAND闪存勘误表

闪存 存储
文件: 总38页 (文件大小:712K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
San 16 Banwol-Ri  
Taean-Eup Hwasung- City  
Kyungki Do, Korea  
Tel.) 82 - 31 - 208 - 6463  
Fax.) 82 - 31 -208 - 6799  
ELECTRONICS  
March. 2003  
1Gb 1.8V NAND Flash Errata  
Description : Some of AC characteristics are not meeting the specification.  
> AC characteristics : Refer to Table  
Affected Products : K9F1G08Q0M-YCB0/YIB0, K9F1G16Q0M-YCB0/YIB0  
K9K2G08Q0M-YCB0/YIB0, K9K2G16Q0M-YCB0/YIB0  
Improvement schedule : The components targeted to meet the specification  
is scheduled to be available by workweek 25 along  
with the final specification values.  
Workaround : Relax the relevant timing parameters according to the table.  
Table  
UNIT : ns  
Parameters  
Specification  
tWC  
45  
tWH  
15  
tWP  
25  
tRC  
50  
tREH  
15  
tRP  
25  
tREA tCEA  
30  
60  
45  
75  
Relaxed Condition  
80  
20  
60  
80  
20  
60  
Sincerely,  
chwoosun@sec.samsung.com  
Product Planning & Application Eng.  
Memory Division  
Samsung Electronics Co.  
1
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Document Title  
128M x 8 Bit / 64M x 16 Bit NAND Flash Memory  
Revision History  
Revision No History  
Draft Date  
July. 5. 2001  
Nov. 5. 2001  
Remark  
0.0  
0.1  
1. Initial issue  
Advance  
1. Iol(R/B) of 1.8V is changed.  
- min. value : 7mA --> 3mA  
- Typ. value : 8mA --> 4mA  
2. AC parameter is changed.  
tRP(min.) : 30ns --> 25ns  
3. A recovery time of minimum 1ms is required before internal circuit gets  
ready for any command sequences as shown in Figure 17.  
Dec. 4. 2001  
---> A recovery time of minimum 10ms is required before internal circuit gets  
ready for any command sequences as shown in Figure 17.  
0.2  
0.3  
1. ALE status fault in ’Random data out in a page’ timing diagram(page 19)  
is fixed.  
1. tAR1, tAR2 are merged to tAR.(Page11)  
(Before revision) min. tAR1 = 10ns , min. tAR2 = 50ns  
(After revision) min. tAR = 10ns  
Apr. 25. 2002  
2. min. tCLR is changed from 50ns to 10ns.(Page11)  
3. min. tREA is changed from 35ns to 30ns.(Page11)  
4. min. tWC is changed from 50ns to 45ns.(Page11)  
5. tRHZ is devided into tRHZ and tOH.(Page11)  
- tRHZ : RE High to Output Hi-Z  
- tOH : RE High to Output Hold  
6. tCHZ is devided into tCHZ and tOH.(Page11)  
- tCHZ : CE High to Output Hi-Z  
- tOH : CE High to Output Hold  
0.4  
1. Add the Rp vs tr ,tf & Rp vs ibusy graph for 1.8V device (Page 35)  
2. Add the data protection Vcc guidence for 1.8V device - below about  
1.1V. (Page 36)  
Nov. 22.2002  
The min. Vcc value 1.8V devices is changed.  
K9F1GXXQ0M : Vcc 1.65V~1.95V --> 1.70V~1.95V  
0.5  
0.6  
Mar. 6.2003  
Pb-free Package is added.  
K9F1G08U0M-FCB0,FIB0  
K9F1G08Q0M-PCB0,PIB0  
K9F1G08U0M-PCB0,PIB0  
K9F1G16U0M-PCB0,PIB0  
K9F1G16Q0M-PCB0,PIB0  
Mar. 13.2003  
The attached data sheets are prepared and approved by SAMSUNG Electronics. SAMSUNG Electronics CO., LTD. reserve the  
right to change the specifications. SAMSUNG Electronics will evaluate and reply to your requests and questions about device. If you  
have any questions, please contact the SAMSUNG branch office near your office.  
SAMSUNG  
1
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Document Title  
128M x 8 Bit / 64M x 16 Bit NAND Flash Memory  
Revision History  
Revision No History  
Draft Date  
Remark  
0.7  
Errata is added.(Front Page)-K9F1GXXQ0M  
tWC tWP tWH tRC tREH tRP tREA tCEA  
Mar.17. 2003  
Specification  
45 25 15 50 15 25 30  
45  
75  
Relaxed value 80 60 20 60 80 60 60  
1. The 3rd Byte ID after 90h ID read command is don’t cared.  
The 5th Byte ID after 90h ID read command is deleted.  
0.8  
Apr. 9. 2003  
The attached data sheets are prepared and approved by SAMSUNG Electronics. SAMSUNG Electronics CO., LTD. reserve the  
right to change the specifications. SAMSUNG Electronics will evaluate and reply to your requests and questions about device. If you  
have any questions, please contact the SAMSUNG branch office near your office.  
SAMSUNG  
2
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
128M x 8 Bit / 64M x 16 Bit NAND Flash Memory  
PRODUCT LIST  
Part Number  
Vcc Range  
Organization  
PKG Type  
K9F1G08Q0M-Y,P  
K9F1G16Q0M-Y,P  
K9F1G08U0M-Y,P  
K9F1G16U0M-Y,P  
K9F1G08U0M-V,F  
X8  
X16  
X8  
1.70 ~ 1.95V  
TSOP1  
2.7 ~ 3.6V  
X16  
X8  
WSOP1  
FEATURES  
· Voltage Supply  
· Fast Write Cycle Time  
-1.8V device(K9F1GXXQ0M): 1.70V~1.95V  
-3.3V device(K9F1GXXU0M): 2.7 V ~3.6 V  
- Program time : 300ms(Typ.)  
- Block Erase Time : 2ms(Typ.)  
· Organization  
- Memory Cell Array  
· Command/Address/Data Multiplexed I/O Port  
· Hardware Data Protection  
-X8 device(K9F1G08X0M) : (128M + 4,096K)bit x 8bit  
-X16 device(K9F1G16X0M) : (64M + 2,048K)bit x 16bit  
- Data Register  
-X8 device(K9F1G08X0M): (2K + 64)bit x8bit  
-X16 device(K9F1G16X0M): (1K + 32)bit x16bit  
- Cache Register  
-X8 device(K9F1G08X0M): (2K + 64)bit x8bit  
-X16 device(K9F1G16X0M): (1K + 32)bit x16bit  
· Automatic Program and Erase  
- Page Program  
- Program/Erase Lockout During Power Transitions  
· Reliable CMOS Floating-Gate Technology  
- Endurance : 100K Program/Erase Cycles  
- Data Retention : 10 Years  
· Command Register Operation  
· Cache Program Operation for High Performance Program  
· Power-On Auto-Read Operation  
· Intelligent Copy-Back Operation  
· Unique ID for Copyright Protection  
· Package :  
-X8 device(K9F1G08X0M): (2K + 64)Byte  
-X16 device(K9F1G16X0M): (1K + 32)Word  
- Block Erase  
- K9F1GXXX0M-YCB0/YIB0  
48 - Pin TSOP I (12 x 20 / 0.5 mm pitch)  
- K9F1G08U0M-VCB0/VIB0  
-X8 device(K9F1G08X0M): (128K + 4K)Byte  
-X16 device(K9F1G16X0M): (64K + 2K)Word  
· Page Read Operation  
48 - Pin WSOP I (12X17X0.7mm)  
- K9F1GXXX0M-PCB0/PIB0  
48 - Pin TSOP I (12 x 20 / 0.5 mm pitch)- Pb-free Package  
- K9F1G08U0M-FCB0/FIB0  
- Page Size  
- X8 device(K9F1G08X0M): 2K-Byte  
- X16 device(K9F1G16X0M) : 1K-Word  
- Random Read : 25ms(Max.)  
48 - Pin WSOP I (12X17X0.7mm)- Pb-free Package  
* K9F1G08U0M-V,F(WSOPI ) is the same device as  
K9F1G08U0M-Y,P(TSOP1) except package type.  
- Serial Access : 50ns(Min.)  
GENERAL DESCRIPTION  
Offered in 128Mx8bit or 64Mx16bit, the K9F1GXXX0M is 1G bit with spare 32M bit capacity. Its NAND cell provides the most cost-  
effective solution for the solid state mass storage market. A program operation can be performed in typical 300ms on the 2112-  
byte(X8 device) or 1056-word(X16 device) page and an erase operation can be performed in typical 2ms on a 128K-byte(X8 device)  
or 64K-word(X16 device) block. Data in the data page can be read out at 50ns cycle time per byte. The I/O pins serve as the ports for  
address and data input/output as well as command input. The on-chip write controller automates all program and erase functions  
including pulse repetition, where required, and internal verification and margining of data. Even the write-intensive systems can take  
advantage of the K9F1GXXX0M¢s extended reliability of 100K program/erase cycles by providing ECC(Error Correcting Code) with  
real time mapping-out algorithm. The K9F1GXXX0M is an optimum solution for large nonvolatile storage applications such as solid  
state file storage and other portable applications requiring non-volatility.  
SAMSUNG  
3
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
PIN CONFIGURATION (TSOP1)  
K9F1GXXX0M-YCB0,PCB0/YIB0,PIB0  
X16 X8  
X8  
X16  
N.C  
N.C  
N.C  
N.C  
I/O7  
I/O6  
I/O5  
I/O4  
N.C  
N.C  
PRE  
Vcc  
Vss  
N.C  
N.C  
N.C  
I/O3  
I/O2  
I/O1  
I/O0  
N.C  
N.C  
N.C  
N.C  
Vss  
N.C  
N.C  
N.C  
N.C  
N.C  
N.C  
R/B  
RE  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
N.C  
N.C  
N.C  
N.C  
N.C  
N.C  
R/B  
RE  
1
2
I/O15  
I/O7  
I/O14  
I/O6  
I/O13  
I/O5  
I/O12  
I/O4  
N.C  
3
4
5
6
7
8
CE  
CE  
9
N.C  
N.C  
Vcc  
Vss  
N.C  
N.C  
CLE  
ALE  
WE  
WP  
N.C  
N.C  
N.C  
N.C  
N.C  
N.C  
N.C  
Vcc  
Vss  
N.C  
N.C  
CLE  
ALE  
WE  
WP  
N.C  
N.C  
N.C  
N.C  
N.C  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
48-pin TSOP1  
Standard Type  
12mm x 20mm  
PRE  
Vcc  
N.C  
N.C  
N.C  
I/O11  
I/O3  
I/O10  
I/O2  
I/O9  
I/O1  
I/O8  
I/O0  
Vss  
PACKAGE DIMENSIONS  
48-PIN LEAD/LEAD FREE PLASTIC THIN SMALL OUT-LINE PACKAGE TYPE(I)  
48 - TSOP1 - 1220F  
Unit :mm/Inch  
20.00±0.20  
0.787±0.008  
#1  
#48  
#24  
#25  
1.00±0.05  
0.039±0.002  
0.05  
0.002  
MIN  
1.20  
0.047  
MAX  
18.40±0.10  
0.724±0.004  
0~8¡Æ  
0.45~0.75  
0.018~0.030  
0.50  
0.020  
(
)
SAMSUNG  
4
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
PIN CONFIGURATION (WSOP1)  
K9F1G08U0M-VCB0,FCB0/VIB0,FIB0  
N.C  
N.C  
DNU  
N.C  
I/O7  
I/O6  
I/O5  
I/O4  
N.C  
DNU  
N.C  
Vcc  
N.C  
N.C  
DNU  
N.C  
N.C  
N.C  
R/B  
RE  
48  
47  
46  
45  
44  
43  
42  
41  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
1
2
3
4
5
6
7
8
CE  
9
DNU  
N.C  
Vcc  
Vss  
N.C  
DNU  
CLE  
ALE  
WE  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
Vss  
N.C  
DNU  
N.C  
I/O3  
I/O2  
I/O1  
I/O0  
N.C  
DNU  
N.C  
N.C  
WP  
N.C  
N.C  
DNU  
N.C  
N.C  
PACKAGE DIMENSIONS  
48-PIN LEAD/LEAD FREE PLASTIC VERY VERY THIN SMALL OUT-LINE PACKAGE TYPE (I)  
Unit :mm  
48 - WSOP1 - 1217F  
0.70 MAX  
0.58±0.04  
15.40±0.10  
#1  
#48  
#24  
#25  
(0.1Min)  
0.45~0.75  
17.00±0.20  
SAMSUNG  
5
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
PIN DESCRIPTION  
Pin Name  
Pin Function  
DATA INPUTS/OUTPUTS  
I/O0 ~ I/O7  
(K9F1G08X0M)  
I/O0 ~ I/O15  
The I/O pins are used to input command, address and data, and to output data during read operations. The I/  
O pins float to high-z when the chip is deselected or when the outputs are disabled.  
I/O8 ~ I/O15 are used only in X16 organization device. Since command input and address input are x8 oper-  
ation, I/O8 ~ I/O15 are not used to input command & address. I/O8 ~ I/O15 are used only for data input and  
output.  
(K9F1G16X0M)  
COMMAND LATCH ENABLE  
CLE  
ALE  
CE  
The CLE input controls the activating path for commands sent to the command register. When active high,  
commands are latched into the command register through the I/O ports on the rising edge of the WE signal.  
ADDRESS LATCH ENABLE  
The ALE input controls the activating path for address to the internal address registers. Addresses are  
latched on the rising edge of WE with ALE high.  
CHIP ENABLE  
The CE input is the device selection control. When the device is in the Busy state, CE high is ignored, and  
the device does not return to standby mode.  
READ ENABLE  
RE  
The RE input is the serial data-out control, and when active drives the data onto the I/O bus. Data is valid  
tREA after the falling edge of RE which also increments the internal column address counter by one.  
WRITE ENABLE  
WE  
WP  
The WE input controls writes to the I/O port. Commands, address and data are latched on the rising edge of  
the WE pulse.  
WRITE PROTECT  
The WP pin provides inadvertent write/erase protection during power transitions. The internal high voltage  
generator is reset when the WP pin is active low.  
READY/BUSY OUTPUT  
The R/B output indicates the status of the device operation. When low, it indicates that a program, erase or  
random read operation is in process and returns to high state upon completion. It is an open drain output and  
does not float to high-z condition when the chip is deselected or when outputs are disabled.  
R/B  
POWER-ON READ ENABLE  
PRE  
The PRE controls auto read operation executed during power-on. The power-on auto-read is enabled when  
PRE pin is tied to Vcc.  
POWER  
Vcc  
Vss  
N.C  
VCC is the power supply for device.  
GROUND  
NO CONNECTION  
Lead is not internally connected.  
NOTE : Connect all VCC and VSS pins of each device to common power supply outputs.  
Do not leave VCC or VSS disconnected.  
SAMSUNG  
6
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Figure 1-1. K9F1G08X0M (X8) Functional Block Diagram  
VCC  
VSS  
1024M + 32M Bit  
NAND Flash  
ARRAY  
X-Buffers  
Latches  
& Decoders  
A12 - A27  
A0 - A11  
(1024 + 32)Byte x 65536  
Data Register & S/A  
Y-Buffers  
Latches  
& Decoders  
Cache Register  
Y-Gating  
Command  
Command  
Register  
VCC  
VSS  
I/O Buffers & Latches  
Global Buffers  
CE  
RE  
WE  
Control Logic  
& High Voltage  
Generator  
I/0 0  
Output  
Driver  
I/0 7  
CLE ALE PRE  
WP  
Figure 2-1. K9F1G08X0M (X8) Array Organization  
1 Block = 64 Pages  
(128K + 4k) Byte  
1 Page = (2K + 64)Bytes  
1 Block = (2K + 64)B x 64 Pages  
= (128K + 4K) Bytes  
1 Device = (2K+64)B x 64Pages x 1024 Blocks  
= 1056 Mbits  
64K Pages  
(=1,024 Blocks)  
8 bit  
2K Bytes  
64 Bytes  
64 Bytes  
I/O 0 ~ I/O 7  
Page Register  
2K Bytes  
I/O 0  
A0  
I/O 1  
A1  
I/O 2  
I/O 3  
A3  
I/O 4  
A4  
I/O 5  
A5  
I/O 6  
A6  
I/O 7  
A7  
Column Address  
Column Address  
1st Cycle  
2nd Cycle  
3rd Cycle  
4th Cycle  
A2  
A8  
A9  
A10  
A14  
A22  
A11  
A15  
A23  
*L  
*L  
*L  
*L  
Row Address  
Row Address  
A12  
A20  
A13  
A21  
A16  
A24  
A17  
A25  
A18  
A26  
A19  
A27  
NOTE : Column Address : Starting Address of the Register.  
* L must be set to "Low".  
* The device ignores any additional input of address cycles than reguired.  
SAMSUNG  
7
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Figure 1-2. K9F1G16X0M (X16) Functional Block Diagram  
VCC  
VSS  
1024M + 32M Bit  
NAND Flash  
ARRAY  
X-Buffers  
Latches  
& Decoders  
A11 - A26  
A0 - A10  
(512 + 64)Word x 65536  
Data Register & S/A  
Y-Buffers  
Latches  
& Decoders  
Cache Register  
Y-Gating  
Command  
Command  
Register  
VCC  
VSS  
I/O Buffers & Latches  
Global Buffers  
CE  
RE  
WE  
Control Logic  
& High Voltage  
Generator  
I/0 0  
Output  
Driver  
I/0 15  
CLE ALE PRE  
WP  
Figure 2-2. K9F1G16X0M (X16) Array Organization  
1 Block = 64 Pages  
(64K + 2k) Word  
1 Page = (1K + 32)Words  
1 Block = (1K + 32)Word x 64 Pages  
= (64K + 2K) Words  
1 Device = (1K+32)Word x 64Pages x 1024 Blocks  
= 1056 Mbits  
64K Pages  
(=1,024 Blocks)  
16 bit  
1K Words  
32 Words  
32 Words  
I/O 0 ~ I/O 15  
Page Register  
1K Words  
I/O 0  
A0  
I/O 1  
I/O 2  
A2  
I/O 3  
I/O 4  
A4  
I/O 5  
A5  
I/O 6  
A6  
I/O 7  
A7  
I/O8 ~ 15  
Column Address  
1st Cycle  
2nd Cycle  
3rd Cycle  
4th Cycle  
A1  
A9  
A3  
*L  
*L  
*L  
*L  
*L  
Column Address  
Row Address  
A8  
A10  
A13  
A21  
*L  
*L  
*L  
*L  
A11  
A19  
A12  
A20  
A14  
A22  
A15  
A23  
A16  
A24  
A17  
A25  
A18  
A26  
Row Address  
NOTE : Column Address : Starting Address of the Register.  
* L must be set to "Low".  
SAMSUNG  
8
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Product Introduction  
The K9F1GXXX0M is a 1056Mbit(1,107,296,256 bit) memory organized as 65,536 rows(pages) by 2112x8(X8 device) or  
1056x16(X16 device) columns. Spare 64(X8) or 32(X16) columns are located from column address of 2048~2111(X8 device) or  
1024~1055(X16 device). A 2112-byte(X8 device) or 1056-word(X16 device) data register and a 2112-byte(X8 device) or 1056-  
word(X16 device) cache register are serially connected to each other. Those serially connected registers are connected to memory  
cell arrays for accommodating data transfer between the I/O buffers and memory cells during page read and page program opera-  
tions. The memory array is made up of 32 cells that are serially connected to form a NAND structure. Each of the 32 cells resides in  
a different page. A block consists of the 64 pages formed by two NAND structures, totaling 33792 NAND structures of 32 cells. The  
program and read operations are executed on a page basis, while the erase operation is executed on a block basis. The memory  
array consists of 1024 separately erasable 128K-byte(X8 device) or 64K-word(X16 device) blocks. It indicates that the bit by bit  
erase operation is prohibited on the K9F1GXXX0M.  
The K9F1GXXX0M has addresses multiplexed into 8 I/Os(X16 device case : lower 8 I/Os). This scheme dramatically reduces pin  
counts and allows system upgrades to future densities by maintaining consistency in system board design. Command, address and  
data are all written through I/O's by bringing WE to low while CE is low. Those are latched on the rising edge of WE. Command Latch  
Enable(CLE) and Address Latch Enable(ALE) are used to multiplex command and address respectively, via the I/O pins. Some com-  
mands require one bus cycle. For example, Reset Command, Status Read Command, etc require just one cycle bus. Some other  
commands, like page read and block erase and page program, require two cycles: one cycle for setup and the other cycle for execu-  
tion. The 128M byte(X8 device) or 64M word(X16 device) physical space requires 28(X8) or 27(X16) addresses, thereby requiring  
four cycles for addressing: 2 cycles of column address, 2 cycles of row address, in that order. Page Read and Page Program need  
the same four address cycles following the required command input. In Block Erase operation, however, only the two row address  
cycles are used. Device operations are selected by writing specific commands into the command register. Table 1 defines the spe-  
cific commands of the K9F1GXXX0M.  
The device provides cache program in a block. It is possible to write data into the cache registers while data stored in data registers  
are being programmed into memory cells in cache program mode. The program performace may be dramatically improved by cache  
program when there are lots of pages of data to be programmed.  
The device embodies power-on auto-read feature which enables serial access of data of the 1st page without command and address  
input after power-on.  
In addition to the enhanced architecture and interface, the device incorporates copy-back program feature from one page to another  
page without need for transporting the data to and from the external buffer memory. Since the time-consuming serial access and  
data-input cycles are removed, system performance for solid-state disk application is significantly increased.  
Table 1. Command Sets  
Function  
1st. Cycle  
00h  
2nd. Cycle  
Acceptable Command during Busy  
Read  
30h  
35h  
-
Read for Copy Back  
Read ID  
00h  
90h  
Reset  
FFh  
80h  
-
O
Page Program  
Cache Program  
Copy-Back Program  
Block Erase  
10h  
15h  
10h  
D0h  
-
80h  
85h  
60h  
Random Data Input*  
Random Data Output*  
Read Status  
85h  
05h  
E0h  
70h  
O
NOTE : 1. Random Data Input/Output can be executed in a page.  
2. Command not specified in command sets table is not permitted to be entered to the device, which can raise erroneous operation.  
Caution : Any undefined command inputs are prohibited except for above command set of Table 1.  
SAMSUNG  
9
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
ABSOLUTE MAXIMUM RATINGS  
Rating  
K9F1GXXQ0M(1.8V) K9F1GXXU0M(3.3V)  
Parameter  
Symbol  
Unit  
V
VIN/OUT  
VCC  
-0.6 to + 2.45  
-0.2 to + 2.45  
-0.6 to + 4.6  
-0.6 to + 4.6  
Voltage on any pin relative to VSS  
K9F1GXXX0M-XCB0  
-10 to +125  
Temperature Under Bias  
Storage Temperature  
TBIAS  
°C  
K9F1GXXX0M-XIB0  
K9F1GXXX0M-XCB0  
K9F1GXXX0M-XIB0  
-40 to +125  
-65 to +150  
5
TSTG  
Ios  
°C  
Short Circuit Current  
mA  
NOTE :  
1. Minimum DC voltage is -0.6V on input/output pins. During transitions, this level may undershoot to -2.0V for periods <30ns.  
Maximum DC voltage on input/output pins is VCC,+0.3V which, during transitions, may overshoot to VCC+2.0V for periods <20ns.  
2. Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. Functional operation should be restricted to the conditions  
as detailed in the operational sections of this data sheet. Exposure to absolute maximum rating conditions for extended periods may affect reliability.  
RECOMMENDED OPERATING CONDITIONS  
(Voltage reference to GND, K9F1GXXX0M-XCB0 :TA=0 to 70°C, K9F1GXXX0M-XIB0:TA=-40 to 85°C)  
K9F1GXXQ0M(1.8V)  
K9F1GXXU0M(3.3V)  
Parameter  
Symbol  
Unit  
Min  
1.70  
0
Typ.  
1.8  
0
Max  
1.95  
0
Min  
2.7  
0
Typ.  
3.3  
0
Max  
3.6  
0
Supply Voltage  
Supply Voltage  
VCC  
VSS  
V
V
DC AND OPERATING CHARACTERISTICS(Recommended operating conditions otherwise noted.)  
K9F1GXXQ0M(1.8V)  
K9F1GXXU0M(3.3V)  
Unit  
Parameter  
Symbol  
Test Conditions  
Min  
Typ  
Max  
Min Typ  
Max  
Page Read with  
Serial Access  
tRC=50ns, CE=VIL  
IOUT=0mA  
Operat-  
ing  
ICC1  
-
5
15  
-
10  
20  
Current Program  
Erase  
ICC2  
ICC3  
ISB1  
-
-
-
-
5
5
-
15  
15  
1
-
-
-
10  
10  
-
20  
20  
1
mA  
-
Stand-by Current(TTL)  
CE=VIH, WP=PRE=0V/VCC  
CE=VCC-0.2,  
Stand-by Current(CMOS)  
ISB2  
-
20  
100  
-
20  
100  
WP=PRE=0V/VCC  
mA  
Input Leakage Current  
Output Leakage Current  
ILI  
VIN=0 to Vcc(max)  
-
-
-
-
±20  
±20  
-
-
-
-
±20  
±20  
ILO  
VOUT=0 to Vcc(max)  
VCC+  
0.3  
Input High Voltage  
VIH  
VIL  
-
-
VCC-0.4  
-0.3  
-
-
-
2.0  
-0.3  
2.4  
-
-
-
VCC+0.3  
Input Low Voltage, All inputs  
Output High Voltage Level  
Output Low Voltage Level  
0.4  
0.8  
-
V
K9F1GXXQ0M :IOH=-100mA  
K9F1GXXU0M :IOH=-400mA  
VOH  
Vcc-0.1  
-
K9F1GXXQ0M :IOL=100uA  
K9F1GXXU0M :IOL=2.1mA  
VOL  
-
-
0.1  
-
-
-
0.4  
-
K9F1GXXQ0M :VOL=0.1V  
K9F1GXXU0M :VOL=0.4V  
Output Low Current(R/B)  
IOL(R/B)  
3
4
8
10  
mA  
SAMSUNG  
10  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
VALID BLOCK  
Parameter  
Symbol  
Min  
Typ.  
Max  
Unit  
Valid Block Number  
NVB  
1004  
-
1024  
Blocks  
NOTE :  
1. The K9F1GXXX0M may include invalid blocks when first shipped. Additional invalid blocks may develop while being used. The number of valid  
blocks is presented with both cases of invalid blocks considered. Invalid blocks are defined as blocks that contain one or more bad bits. Do not erase  
or program factory-marked bad blocks. Refer to the attached technical notes for appropriate management of invalid blocks.  
2. The 1st block, which is placed on 00h block address, is fully guaranteed to be a valid block and does not require Error Correction.  
AC TEST CONDITION  
(K9F1GXXX0M-XCB0 :TA=0 to 70°C, K9F1GXXX0M-XIB0:TA=-40 to 85°C  
K9F1GXXQ0M : Vcc=1.70V~1.95V, K9F1GXXU0M : Vcc=2.7V~3.6V unless otherwise noted)  
Parameter  
K9F1GXXQ0M  
0V to Vcc  
5ns  
K9F1GXXU0M  
0.4V to 2.4V  
5ns  
Input Pulse Levels  
Input Rise and Fall Times  
Input and Output Timing Levels  
Vcc/2  
1.5V  
K9F1GXXQ0M:Output Load (Vcc:1.8V +/-10%)  
K9F1GXXU0M:Output Load (Vcc:3.0V +/-10%)  
1 TTL GATE and CL=30pF  
-
1 TTL GATE and CL=50pF  
1 TTL GATE and CL=100pF  
K9F1GXXU0M:Output Load (Vcc:3.3V +/-10%)  
CAPACITANCE(TA=25°C, VCC=1.8V/3.3V, f=1.0MHz)  
Item  
Symbol  
Test Condition  
Min  
Max  
10  
Unit  
pF  
Input/Output Capacitance  
Input Capacitance  
CI/O  
VIL=0V  
-
-
CIN  
VIN=0V  
10  
pF  
NOTE : Capacitance is periodically sampled and not 100% tested.  
MODE SELECTION  
CLE  
H
L
ALE  
L
CE  
L
WE  
RE  
H
WP  
PRE  
Mode  
Command Input  
X
X
Read Mode  
Write Mode  
H
L
H
X
X
Address Input(4clock)  
Command Input  
H
L
L
L
H
H
X
H
L
H
H
X
Address Input(4clock)  
L
L
L
H
H
X
Data Input  
L
L
L
H
X
X
X
X
X
X
X
Data Output  
X
X
X
X
X
X
H
H
X
X
X
X
X
X
During Read(Busy)  
During Program(Busy)  
During Erase(Busy)  
Write Protect  
X
X
H
X
X
X
X
H
L
X(1)  
X
X
X
(2)  
(2)  
X
Stand-by  
0V/VCC  
0V/VCC  
NOTE : 1. X can be VIL or VIH.  
2. WP and PRE should be biased to CMOS high or CMOS low for standby.  
Program / Erase Characteristics  
Parameter  
Symbol  
tPROG  
Min  
Typ  
Max  
700  
700  
4
Unit  
ms  
Program Time  
-
300  
Dummy Busy Time for Cache Program  
tCBSY  
3
-
ms  
Main Array  
-
-
-
cycles  
cycles  
ms  
Number of Partial Program Cycles  
in the Same Page  
Nop  
Spare Array  
-
4
Block Erase Time  
tBERS  
2
3
NOTE : 1. Max. time of tCBSY depends on timing between internal program completion and data in  
SAMSUNG  
11  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
AC Timing Characteristics for Command / Address / Data Input  
Parameter  
Symbol  
tCLS  
tCLH  
tCS  
Min  
Max  
Unit  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
CLE setup Time  
CLE Hold Time  
CE setup Time  
CE Hold Time  
0
-
-
-
-
-
-
-
-
-
-
-
10  
0
tCH  
10  
25 (1)  
0
WE Pulse Width  
ALE setup Time  
ALE Hold Time  
Data setup Time  
Data Hold Time  
Write Cycle Time  
tWP  
tALS  
tALH  
tDS  
10  
20  
10  
45  
15  
tDH  
tWC  
WE High Hold Time  
tWH  
NOTE :  
1. If tCS is set less than 10ns, tWP must be minimum 35ns, otherwise, tWP may be minimum 25ns.  
AC Characteristics for Operation  
Parameter  
Data Transfer from Cell to Register  
ALE to RE Delay  
Symbol  
tR  
Min  
-
Max  
Unit  
25  
ms  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ms  
tAR  
10  
10  
20  
25  
-
-
-
CLE to RE Delay  
tCLR  
tRR  
Ready to RE Low  
-
RE Pulse Width  
tRP  
-
WE High to Busy  
tWB  
100  
-
Read Cycle Time  
tRC  
50  
-
RE Access Time  
tREA  
tCEA  
tRHZ  
tCHZ  
tOH  
30  
45  
30  
20  
-
CE Access Time  
-
RE High to Output Hi-Z  
CE High to Output Hi-Z  
RE or CE High to Output hold  
RE High Hold Time  
-
-
15  
15  
0
tREH  
tIR  
-
Output Hi-Z to RE Low  
WE High to RE Low  
-
tWHR  
tRST  
60  
-
-
Device Resetting Time(Read/Program/Erase)  
5/10/500(1)  
NOTE :  
1. If reset command(FFh) is written at Ready state, the device goes into Busy for maximum 5us.  
SAMSUNG  
12  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
NAND Flash Technical Notes  
Invalid Block(s)  
Invalid blocks are defined as blocks that contain one or more invalid bits whose reliability is not guaranteed by Samsung. The infor-  
mation regarding the invalid block(s) is so called as the invalid block information. Devices with invalid block(s) have the same quality  
level as devices with all valid blocks and have the same AC and DC characteristics. An invalid block(s) does not affect the perfor-  
mance of valid block(s) because it is isolated from the bit line and the common source line by a select transistor. The system design  
must be able to mask out the invalid block(s) via address mapping. The 1st block, which is placed on 00h block address, is fully guar-  
anteed to be a valid block, does not require Error Correction.  
Identifying Invalid Block(s)  
All device locations are erased(FFh for X8, FFFFh for X16) except locations where the invalid block(s) information is written prior to  
shipping. The invalid block(s) status is defined by the 1st byte(X8 device) or 1st word(X16 device) in the spare area. Samsung  
makes sure that either the 1st or 2nd page of every invalid block has non-FFh(X8) or non-FFFFh(X16) data at the column address of  
2048(X8 device) or 1024(X16 device). Since the invalid block information is also erasable in most cases, it is impossible to recover  
the information once it has been erased. Therefore, the system must be able to recognize the invalid block(s) based on the original  
invalid block information and create the invalid block table via the following suggested flow chart(Figure 3). Any intentional erasure of  
the original invalid block information is prohibited.  
Start  
Set Block Address = 0  
Increment Block Address  
Check "FFh( or FFFFh)" at the column address  
2048(X8 device) or 1024(X16 device)  
of the 1st and 2nd page in the block  
*
No  
No  
Create (or update)  
Invalid Block(s) Table  
Check "FFh  
or FFFFh" ?  
Yes  
Last Block ?  
Yes  
End  
Figure 3. Flow chart to create invalid block table.  
SAMSUNG  
13  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
NAND Flash Technical Notes (Continued)  
Error in write or read operation  
Within its life time, additional invalid blocks may develop with NAND Flash memory. Refer to the qualification report for the actual  
data.The following possible failure modes should be considered to implement a highly reliable system. In the case of status read fail-  
ure after erase or program, block replacement should be done. Because program status fail during a page program does not affect  
the data of the other pages in the same block, block replacement can be executed with a page-sized buffer by finding an erased  
empty block and reprogramming the current target data and copying the rest of the replaced block.To improve the efficiency of mem-  
ory space, it is recommended that the read or verification failure due to single bit error be reclaimed by ECC without any block  
replacement. The said additional block failure rate does not include those reclaimed blocks.  
Failure Mode  
Detection and Countermeasure sequence  
Erase Failure  
Status Read after Erase --> Block Replacement  
Status Read after Program --> Block Replacement  
Read back ( Verify after Program) --> Block Replacement  
or ECC Correction  
Write  
Read  
Program Failure  
Single Bit Failure  
Verify ECC -> ECC Correction  
: Error Correcting Code --> Hamming Code etc.  
Example) 1bit correction & 2bit detection  
ECC  
Program Flow Chart  
If ECC is used, this verification  
operation is not needed.  
Start  
Write 80h  
Write 00h  
Write Address  
Write 30h  
Write Address  
Write Data  
Write 10h  
Wait for tR Time  
*
Fail  
Read Status Register  
Program Error  
Verify Data  
No  
Pass  
I/O 6 = 1 ?  
or R/B = 1 ?  
Program Completed  
Yes  
*
No  
: If program operation results in an error, map out  
the block including the page in error and copy the  
target data to another block.  
Program Error  
I/O 0 = 0 ?  
*
Yes  
SAMSUNG  
14  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
NAND Flash Technical Notes (Continued)  
Erase Flow Chart  
Read Flow Chart  
Start  
Write 00h  
Start  
Write 60h  
Write Block Address  
Write Address  
Write 30h  
Write D0h  
Read Data  
Read Status Register  
ECC Generation  
No  
I/O 6 = 1 ?  
or R/B = 1 ?  
No  
Verify ECC  
Reclaim the Error  
Yes  
*
No  
Yes  
Erase Error  
I/O 0 = 0 ?  
Page Read Completed  
Yes  
Erase Completed  
: If erase operation results in an error, map out  
the failing block and replace it with another block.  
*
Block Replacement  
Block A  
1st  
2
{
(n-1)th  
nth  
an error occurs.  
(page)  
Buffer memory of the controller.  
Block B  
1st  
1
{
(n-1)th  
nth  
(page)  
* Step1  
When an error happens in the nth page of the Block ’A’ during erase or program operation.  
* Step2  
Copy the nth page data of the Block ’A’ in the buffer memory to the nth page of another free block. (Block ’B’)  
* Step3  
Then, copy the data in the 1st ~ (n-1)th page to the same location of the Block ’B’.  
* Step4  
Do not further erase Block ’A’ by creating an ’invalid Block’ table or other appropriate scheme.  
SAMSUNG  
15  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
System Interface Using CE don’t-care.  
For an easier system interface, CE may be inactive during the data-loading or serial access as shown below. The internal  
2112byte(X8 device) or 1056word(X16 device) data registers are utilized as separate buffers for this operation and the system  
design gets more flexible. In addition, for voice or audio applications which use slow cycle time on the order of u-seconds, de-activat-  
ing CE during the data-loading and serial access would provide significant savings in power consumption.  
Figure 4. Program Operation with CE don’t-care.  
CLE  
CE don’t-care  
CE  
WE  
ALE  
I/Ox  
80h  
Address(4Cycles)  
Data Input  
Data Input  
10h  
tCS  
tCH  
tCEA  
CE  
RE  
CE  
tREA  
tWP  
WE  
I/O0~7  
out  
Figure 5. Read Operation with CE don’t-care.  
CLE  
CE  
CE don’t-care  
RE  
ALE  
tR  
R/B  
WE  
I/Ox  
Data Output(serial access)  
00h  
Address(4Cycle)  
30h  
SAMSUNG  
16  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
NOTE  
I/O  
DATA  
ADDRESS  
Device  
I/Ox  
Data In/Out  
~2112byte  
~1056word  
Col. Add1  
A0~A7  
Col. Add2  
A8~A11  
Row Add1  
A12~A19  
A11~A18  
Row Add2  
A20~A27  
A19~A26  
K9F1G08X0B(X8 device)  
K9F1G16X0B(X16 device)  
I/O 0 ~ I/O 7  
I/O 0 ~ I/O 15  
A0~A7  
A8~A10  
* Command Latch Cycle  
CLE  
tCLH  
tCLS  
tCS  
tCH  
CE  
tWP  
WE  
tALS  
tALH  
ALE  
I/Ox  
tDH  
tDS  
Command  
K9F1G16X0M : I/O8~15 must be set to "0"  
* Address Latch Cycle  
tCLS  
CLE  
tCS  
tWC  
tWC  
tWC  
CE  
tWP  
tWP  
tWP  
tWP  
WE  
tWH  
tALH tALS  
tWH  
tALH tALS  
tWH  
tALH tALS  
tALH  
tDH  
tALS  
ALE  
tDH  
tDH  
tDH  
tDS  
tDS  
tDS  
tDS  
Col. Add2  
Row Add1  
Col. Add1  
Row Add2  
I/Ox  
K9F1G16X0M : I/O8~15 must be set to "0"  
SAMSUNG  
17  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
* Input Data Latch Cycle  
tCLH  
CLE  
tCH  
CE  
tWC  
tALS  
ALE  
tWP  
tWP  
tWP  
WE  
tWH  
tDH  
tDH  
tDH  
tDS  
tDS  
tDS  
I/Ox  
DIN final*  
DIN 0  
DIN 1  
NOTES : DIN final means 2112(X8) or 1056(X16)  
* Serial Access Cycle after Read(CLE=L, WE=H, ALE=L)  
tCEA  
CE  
tCHZ*  
tOH  
tREH  
tREA  
tREA  
tREA  
tRP  
RE  
tRHZ*  
tRHZ*  
tOH  
I/Ox  
Dout  
Dout  
Dout  
tRC  
tRR  
R/B  
NOTES : Transition is measured ±200mV from steady state voltage with load.  
This parameter is sampled and not 100% tested.  
SAMSUNG  
18  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
* Status Read Cycle  
tCLR  
CLE  
tCLS  
tCLH  
tCS  
CE  
tCH  
tWP  
WE  
tCEA  
tCHZ*  
tOH  
tWHR  
RE  
tRHZ*  
tOH  
tDH  
tREA  
tDS  
tIR*  
I/Ox  
Status Output  
70h  
K9F1G16X0M : I/O8~15 must be set to "0"  
SAMSUNG  
19  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Read Operation  
tCLR  
CLE  
CE  
tWC  
WE  
tWB  
tAR  
ALE  
tRHZ  
tOH  
tR  
tRC  
RE  
tRR  
Col. Add2 Row Add1 Row Add2  
00h  
Col. Add1  
30h  
Dout N  
Dout N+1  
Dout M  
I/Ox  
R/B  
Column Address  
Row Address  
Busy  
Read Operation(Intercepted by CE)  
CLE  
CE  
WE  
ALE  
RE  
tWB  
tCHZ  
tOH  
tAR  
tR  
tRC  
tRR  
Row Add1 Row Add2  
Dout N+2  
00h  
Col. Add1 Col. Add2  
30h  
Dout N  
Dout N+1  
I/Ox  
R/B  
Row Address  
Column Address  
Busy  
SAMSUNG  
20  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
SAMSUNG  
21  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Page Program Operation  
CLE  
CE  
tWC  
tWC  
tWC  
WE  
tPROG  
tWB  
ALE  
RE  
Din  
N
Din  
M
Col. Add2 Row Add1 Row Add2  
Co.l Add1  
I/Ox  
10h  
80h  
70h  
I/O0  
SerialData  
Input Command  
Program  
Command  
1 up to m Byte  
Serial Input  
Read Status  
Command  
Column Address  
Row Address  
R/B  
I/O0=0 Successful Program  
I/O0=1 Error in Program  
X8 device : m = 2112byte  
X16 device : m = 1056word  
SAMSUNG  
22  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
»
»
» »  
» »  
»
SAMSUNG  
23  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
»
» »  
»
SAMSUNG  
24  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
»
» »  
»
»
» »  
»
SAMSUNG  
25  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
BLOCK ERASE OPERATION  
CLE  
CE  
tWC  
WE  
tBERS  
tWB  
ALE  
RE  
I/Ox  
Row Add1 Row Add2  
60h  
D0h  
70h  
I/O 0  
Row Address  
Busy  
R/B  
Auto Block Erase  
Setup Command  
Erase Command  
I/O0=0 Successful Erase  
Read Status I/O0=1 Error in Erase  
Command  
SAMSUNG  
26  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Read ID Operation  
CLE  
CE  
WE  
tAR  
ALE  
RE  
tREA  
Device  
Code*  
I/Ox  
4th cyc.*  
00h  
ECh  
XXh  
90h  
Read ID Command  
Maker Code Device Code  
Address. 1cycle  
Device  
Device Code*(2nd Cycle)  
4th Cycle*  
K9F1G08Q0M  
K9F1G08U0M  
K9F1G16Q0M  
K9F1G16U0M  
A1h  
F1h  
B1h  
C1h  
15h  
15h  
55h  
55h  
ID Defintition Table  
90 ID : Access command = 90H  
Description  
1st Byte  
2nd Byte  
3rd Byte  
4th Byte  
Maker Code  
Device Code  
Don’t care  
Page Size, Block Size, Spare Size, Organization,Serial access minimum  
SAMSUNG  
27  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
4th ID Data  
Description  
1KB  
2KB  
Reserved  
Reserved  
I/O7  
I/O6  
I/O5 I/O4  
I/O3  
I/O2  
I/O1 I/O0  
0
0
1
1
0
1
0
1
Page Size  
(w/o redundant area )  
64KB  
0
0
1
1
0
1
0
1
Blcok Size  
(w/o redundant area )  
128KB  
256KB  
Reserved  
Redundant Area Size  
( byte/512byte)  
8
16  
0
1
x8  
x16  
0
1
Organization  
50ns  
30ns  
Reserved  
Reserved  
0
0
1
0
1
0
1
1
Serial Access minimum  
SAMSUNG  
28  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Device Operation  
PAGE READ  
Upon initial device power up, the device defaults to Read mode. This operation is also initiated by writing 00h and 30h to the com-  
mand register along with four address cycles. In two consecutive read operations, the second one doesn’t need 00h command,  
which five address cycles and 30h command initiates that operation.Two types of operations are available : random read, serial page  
read The random read mode is enabled when the page address is changed. The 2112 bytes(X8 device) or 1056 words(X16 device)  
of data within the selected page are transferred to the data registers in less than 25ms(tR). The system controller can detect the com-  
pletion of this data transfer(tR) by analyzing the output of R/B pin. Once the data in a page is loaded into the data registers, they may  
be read out in 50ns cycle time by sequentially pulsing RE. The repetitive high to low transitions of the RE clock make the device out-  
put the data starting from the selected column address up to the last column address.  
The device may output random data in a page instead of the consecutive sequential data by writing random data output command.  
The column address of next data, which is going to be out, may be changed to the address which follows random data output com-  
mand. Random data output can be operated multiple times regardless of how many times it is done in a page.  
Figure 6. Read Operation  
CLE  
CE  
WE  
ALE  
tR  
R/B  
RE  
I/Ox  
00h  
Address(4Cycle)  
30h  
Data Output(Serial Access)  
Col Add1,2 & Row Add1,2  
Data Field  
Spare Field  
SAMSUNG  
29  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Figure 7. Random Data Output In a Page  
tR  
R/B  
RE  
Address  
4Cycles  
Address  
2Cycles  
Data Output  
Data Output  
E0h  
I/Ox  
00h  
30h  
05h  
Col Add1,2 & Row Add1,2  
Data Field  
Data Field  
Spare Field  
Spare Field  
PAGE PROGRAM  
The device is programmed basically on a page basis, but it does allow multiple partial page programing of a word or consecutive  
bytes up to 2112(X8 device) or words up to 1056(X16 device), in a single page program cycle. The number of consecutive partial  
page programming operation within the same page without an intervening erase operation must not exceed 4 times for main  
array(X8 device:1time/512byte, X16 device:1time/256word) and 4 times for spare array(X8 device:1time/16byte ,X16 device:1time/  
8word). The addressing should be done in sequential order in a block. A page program cycle consists of a serial data loading period  
in which up to 2112bytes(X8 device) or 1056words(X16 device) of data may be loaded into the data register, followed by a non-vola-  
tile programming period where the loaded data is programmed into the appropriate cell.  
The serial data loading period begins by inputting the Serial Data Input command(80h), followed by the four cycle address inputs and  
then serial data loading. The words other than those to be programmed do not need to be loaded. The device supports random data  
input in a page. The column address of next data, which will be entered, may be changed to the address which follows random data  
input command(85h). Random data input may be operated multiple times regardless of how many times it is done in a page.  
The Page Program confirm command(10h) initiates the programming process. Writing 10h alone without previously entering the  
serial data will not initiate the programming process. The internal write state controller automatically executes the algorithms and tim-  
ings necessary for program and verify, thereby freeing the system controller for other tasks. Once the program process starts, the  
Read Status Register command may be entered to read the status register. The system controller can detect the completion of a  
program cycle by monitoring the R/B output, or the Status bit(I/O 6) of the Status Register. Only the Read Status command and  
Reset command are valid while programming is in progress. When the Page Program is complete, the Write Status Bit(I/O 0) may be  
checked(Figure 8). The internal write verify detects only errors for "1"s that are not successfully programmed to "0"s. The command  
register remains in Read Status command mode until another valid command is written to the command register.  
Figure 8. Program & Read Status Operation  
tPROG  
R/B  
"0"  
Pass  
80h  
Address & Data Input  
I/O0  
Fail  
I/Ox  
10h  
70h  
Col Add1,2 & Row Add1,2  
Data  
"1"  
SAMSUNG  
30  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Figure 9. Random Data Input In a Page  
R/B  
tPROG  
"0"  
Pass  
80h  
Address & Data Input  
Address & Data Input  
I/O0  
70h  
I/Ox  
85h  
10h  
Col Add1,2  
Data  
Col Add1,2 & Row Add1,2  
Data  
"1"  
Fail  
Cache Program  
Cache Program is an extension of Page Program, which is executed with 2112byte(X8 device) or 1056word(X16 device) data regis-  
ters, and is available only within a block. Since the device has 1 page of cache memory, serial data input may be executed while  
data stored in data register are programmed into memory cell.  
After writing the first set of data up to 2112byte(X8 device) or 1056word(X16 device) into the selected cache registers, Cache Pro-  
gram command (15h) instead of actual Page Program (10h) is inputted to make cache registers free and to start internal program  
operation. To transfer data from cache registers to data registers, the device remains in Busy state for a short period of time(tCBSY)  
and has its cache registers ready for the next data-input while the internal programming gets started with the data loaded into data  
registers. Read Status command (70h) may be issued to find out when cache registers become ready by polling the Cache-Busy sta-  
tus bit(I/O 6). Pass/fail status of only the previouse page is available upon the return to Ready state. When the next set of data is  
inputted with the Cache Program command, tCBSY is affected by the progress of pending internal programming. The programming  
of the cache registers is initiated only when the pending program cycle is finished and the data registers are available for the transfer  
of data from cache registers. The status bit(I/O5) for internal Ready/Busy may be polled to identify the completion of internal pro-  
gramming. If the system monitors the progress of programming only with R/B, the last page of the target programming sequence  
must be progammed with actual Page Program command (10h). If the Cache Program command (15h) is used instead, status bit (I/  
O5) must be polled to find out when the last programming is actually finished before starting other operations such as read. Pass/fail  
status is available in two steps. I/O 1 returns with the status of the previous page upon Ready or I/O6 status bit changing to "1", and  
later I/O 0 with the status of current page upon true Ready (returning from internal programming) or I/O 5 status bit changing to "1". I/  
O 1 may be read together when I/O 0 is checked.  
Figure 10. Cache Program(available only within a block)  
tPROG  
tCBSY  
tCBSY  
tCBSY  
R/B  
Address &  
Data Input  
Address &  
Data Input  
Address &  
Data Input*  
Address &  
Data Input  
80h  
70h  
10h  
80h  
15h  
80h  
80h  
15h  
15h  
Col Add1,2 & Row Add1,2  
Data  
Col Add1,2 & Row Add1,2  
Data  
Col Add1,2 & Row Add1,2  
Data  
Col Add1,2 & Row Add1,2  
Data  
tCBSY  
tCBSY  
tCBSY  
R/B  
I/Ox  
Address &  
Data Input  
Status  
output  
Address &  
Data Input  
Status  
output  
Address &  
Data Input  
80h  
80h  
80h  
15h  
70h  
15h  
70h  
15h  
Col Add1,2 & Row Add1,2  
Data  
Col Add1,2 & Row Add1,2  
Data  
Col Add1,2 & Row Add1,2  
Data  
tCBSY  
Address &  
Data Input  
Status  
Status  
output  
Status  
output  
80h  
70h  
70h  
15h  
output  
Col Add1,2 & Row Add1,2  
Data  
Check I/O1 for pass/fail  
Check I/O5 for internal ready/busy  
Check I/O0,1 for pass/fail  
SAMSUNG  
31  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
NOTE : Since programming the last page does not employ caching, the program time has to be that of Page Program. However, if  
the previous program cycle with the cache data has not finished, the actual program cycle of the last page is initiated only after com-  
pletion of the previous cycle, which can be expressed as the following formula.  
tPROG= Program time for the last page+ Program time for the ( last -1 )th page  
- (Program command cycle time + Last page data loading time)  
Copy-Back Program  
The copy-back program is configured to quickly and efficiently rewrite data stored in one page without utilizing an external memory.  
Since the time-consuming cycles of serial access and re-loading cycles are removed, the system performance is improved. The ben-  
efit is especially obvious when a portion of a block is updated and the rest of the block also need to be copied to the newly assigned  
free block. The operation for performing a copy-back program is a sequential execution of page-read without serial access and copy-  
ing-program with the address of destination page. A read operation with "35h" command and the address of the source page moves  
the whole 2112byte(X8 device) or 1056word(X16 device) data into the internal data buffer. As soon as the device returns to Ready  
state, Page-Copy Data-input command (85h) with the address cycles of destination page followed may be written. The Program  
Confirm command (10h) is required to actually begin the programming operation. Data input cycle for modifying a portion or multiple  
distant portions of the source page is allowed as shown in Figure 12. "When there is a program-failure at Copy-Back operation,  
error is reported by pass/fail status. But, if Copy-Back operations are accumulated over time, bit error due to charge loss is  
not checked by external error detection/correction scheme. For this reason, two bit error correction is recommended for  
the use of Copy-Back operation."  
Figure 11. Page Copy-Back program Operation  
tR  
tPROG  
R/B  
I/Ox  
Add.(4Cycles)  
Pass  
00h  
35h  
Add.(4Cycles)  
10h  
I/O0  
Fail  
85h  
70h  
Col. Add1,2 & Row Add1,2  
Destination Address  
Col. Add1,2 & Row Add1,2  
Source Address  
Figure 12. Page Copy-Back program Operation with Random Data Input  
tPROG  
tR  
R/B  
Add.(4Cycles)  
Add.(2Cycles)  
Col Add1,2  
I/Ox  
35h  
Add.(4Cycles)  
70h  
00h  
85h  
Data  
85h  
Data  
10h  
Col. Add1,2 & Row Add1,2  
Source Address  
Col. Add1,2 & Row Add1,2  
Destination Address  
There is no limitation for the number of repetition.  
SAMSUNG  
32  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
BLOCK ERASE  
The Erase operation is done on a block basis. Block address loading is accomplished in two cycles initiated by an Erase Setup com-  
mand(60h). Only address A18 to A27(X8) or A17 to A26(X16) is valid while A12 to A17(X8) or A11 to A16(X16) is ignored. The Erase  
Confirm command(D0h) following the block address loading initiates the internal erasing process. This two-step sequence of setup  
followed by execution command ensures that memory contents are not accidentally erased due to external noise conditions.  
At the rising edge of WE after the erase confirm command input, the internal write controller handles erase and erase-verify. When  
the erase operation is completed, the Write Status Bit(I/O 0) may be checked. Figure 13 details the sequence.  
Figure 13. Block Erase Operation  
tBERS  
R/B  
"0"  
Pass  
60h  
I/O0  
Fail  
70h  
Address Input(2Cycle)  
I/Ox  
D0h  
"1"  
Block Add. : A12 ~ A27 (X8)  
or A11 ~ A26 (X16)  
READ STATUS  
The device contains a Status Register which may be read to find out whether program or erase operation is completed, and whether  
the program or erase operation is completed successfully. After writing 70h command to the command register, a read cycle outputs  
the content of the Status Register to the I/O pins on the falling edge of CE or RE, whichever occurs last. This two line control allows  
the system to poll the progress of each device in multiple memory connections even when R/B pins are common-wired. RE or CE  
does not need to be toggled for updated status. Refer to table 2 for specific Status Register definitions. The command register  
remains in Status Read mode until further commands are issued to it. Therefore, if the status register is read during a random read  
cycle, the read command(00h) should be given before starting read cycles.  
Table2. Read Staus Register Definition  
I/O No.  
I/O 0  
Page Program  
Pass/Fail  
Block Erase  
Pass/Fail  
Not use  
Cache Prorgam  
Pass/Fail(N)  
Pass/Fail(N-1)  
Not use  
Read  
Not use  
Definition  
Pass : "0"  
Pass : "0"  
"0"  
Fail : "1"  
Fail : "1"  
I/O 1  
Not use  
Not use  
I/O 2  
Not use  
Not use  
Not use  
I/O 3  
Not Use  
Not Use  
Not Use  
Not Use  
"0"  
I/O 4  
Not Use  
Not Use  
Not Use  
Not Use  
"0"  
I/O 5  
Ready/Busy  
Ready/Busy  
Write Protect  
Ready/Busy  
Ready/Busy  
Write Protect  
True Ready/Busy  
Ready/Busy  
Write Protect  
Ready/Busy  
Ready/Busy  
Write Protect  
Busy : "0"  
Busy : "0"  
Protected:"0"  
Ready : "1"  
Ready : "1"  
I/O 6  
I/O 7  
Not Protected:"1"  
I/O 8~15  
(X16 device  
only)  
Not use  
Not use  
Not use  
Not use  
Don’t -care  
NOTE : 1. True Ready/Busy represents internal program operation status which is being executed in cache program mode.  
2. I/Os defined ’Not use’ are recommended to be masked out when Read Status is being executed.  
SAMSUNG  
33  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Read ID  
The device contains a product identification mode, initiated by writing 90h to the command register, followed by an address input of  
00h. Four read cycles sequentially output the manufacturer code(ECh), and the device code and XXh, 4th cycle ID, respectively. The  
command register remains in Read ID mode until further commands are issued to it. Figure 14 shows the operation sequence.  
Figure 14. Read ID Operation  
tCLR  
CLE  
CE  
tCEA  
WE  
ALE  
RE  
tAR  
tWHR  
Device  
Code*  
tREA  
I/OX  
90h  
00h  
Address. 1cycle  
ECh  
XXh  
4th Cyc.*  
Maker code  
Device code  
Device  
Device Code*(2nd Cycle)  
4th Cycle*  
K9F1G08Q0M  
K9F1G08U0M  
K9F1G16Q0M  
K9F1G16U0M  
A1h  
F1h  
B1h  
C1h  
15h  
15h  
55h  
55h  
RESET  
The device offers a reset feature, executed by writing FFh to the command register. When the device is in Busy state during random  
read, program or erase mode, the reset operation will abort these operations. The contents of memory cells being altered are no  
longer valid, as the data will be partially programmed or erased. The command register is cleared to wait for the next command, and  
the Status Register is cleared to value C0h when WP is high. Refer to table 3 for device status after reset operation. The R/B pin  
transitions to low for tRST after the Reset command is written. Refer to Figure 15 below.  
Figure 15. RESET Operation  
tRST  
R/B  
I/OX  
FFh  
Table3. Device Status  
After Power-up  
After Reset  
PRE status  
High  
First page data access is ready  
Low  
Waiting for next command  
Operation Mode  
00h command is latched  
SAMSUNG  
34  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Power-On Auto-Read  
The device is designed to offer automatic reading of the first page without command and address input sequence during power-on.  
An internal voltage detector enables auto-page read functions when Vcc reaches about 1.8V. PRE pin controls activation of auto-  
page read function. Auto-page read function is enabled only when PRE pin is tied to Vcc. Serial access may be done after power-on  
without latency. Power-On Auto Read mode is available only on 3.3V device(K9F1GXXU0M).  
Figure 15. Power-On Auto-Read (3.3V device only)  
~ 1.8V  
VCC  
CLE  
CE  
WE  
ALE  
PRE  
R/B  
tR  
RE  
I/OX  
1st  
2nd  
3rd  
....  
n th  
SAMSUNG  
35  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
READY/BUSY  
The device has a R/B output that provides a hardware method of indicating the completion of a page program, erase and random  
read completion. The R/B pin is normally high but transitions to low after program or erase command is written to the command reg-  
ister or random read is started after address loading. It returns to high when the internal controller has finished the operation. The pin  
is an open-drain driver thereby allowing two or more R/B outputs to be Or-tied. Because pull-up resistor value is related to tr(R/B)  
and current drain during busy(ibusy) , an appropriate value can be obtained with the following reference chart(Fig 16). Its value can  
be determined by the following guidance.  
Rp  
ibusy  
VCC  
1.8V device - VOL : 0.1V, VOH : VCCq-0.1V  
3.3V device - VOL : 0.4V, VOH : 2.4V  
Ready Vcc  
R/B  
open drain output  
VOH  
CL  
VOL  
Busy  
tf  
tr  
GND  
Device  
Fig 16 Rp vs tr ,tf & Rp vs ibusy  
@ Vcc = 1.8V, Ta = 25°C , CL = 30pF  
@ Vcc = 3.3V, Ta = 25°C , CL = 100pF  
400  
2.4  
Ibusy  
Ibusy  
300n  
3m  
300n  
3m  
300  
1.2  
1.7  
200n  
100n  
2m  
1m  
200n  
100n  
200  
2m  
1m  
0.8  
120  
0.85  
60  
90  
tr  
tf  
tr  
30  
100  
0.6  
0.57  
1.7  
0.43  
3.6  
2K  
3.6  
3.6  
3.6  
tf  
1.7  
1.7  
2K  
1.7  
4K  
1K  
3K  
Rp(ohm)  
4K  
1K  
3K  
Rp(ohm)  
Rp value guidance  
VCC(Max.) - VOL(Max.)  
1.85V  
Rp(min, 1.8V part) =  
=
=
IOL + SIL  
3mA + SIL  
VCC(Max.) - VOL(Max.)  
3.2V  
Rp(min, 3.3V part) =  
IOL + SIL  
8mA + SIL  
where IL is the sum of the input currents of all devices tied to the R/B pin.  
Rp(max) is determined by maximum permissible limit of tr  
SAMSUNG  
36  
K9F1G08U0M-VCB0,VIB0,FCB0,FIB0  
K9F1G08Q0M-YCB0,YIB0,PCB0,PIB0 K9F1G16Q0M-YCB0,YIB0,PCB0,PIB0  
K9F1G08U0M-YCB0,YIB0,PCB0,PIB0 K9F1G16U0M-YCB0,YIB0,PCB0,PIB0  
FLASH MEMORY  
Data Protection & Power up sequence  
The device is designed to offer protection from any involuntary program/erase during power-transitions. An internal voltage detector  
disables all functions whenever Vcc is below about 1.1V(1.8V device) or 2V(3.3V device). WP pin provides hardware protection and  
is recommended to be kept at VIL during power-up and power-down. A recovery time of minimum 10ms is required before internal cir-  
cuit gets ready for any command sequences as shown in Figure 17. The two step command sequence for program/erase provides  
additional software protection.  
Figure 17. AC Waveforms for Power Transition  
1.8V device : ~ 1.5V  
3.3V device : ~ 2.5V  
1.8V device : ~ 1.5V  
3.3V device : ~ 2.5V  
VCC  
High  
WP  
WE  
10ms  
SAMSUNG  
37  

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