GS8321E36E-250IV [GSI]

2M x 18, 1M x 32, 1M x 36 36Mb Sync Burst SRAMs; 2M ×18 , 1M ×32 , 1M ×36 36MB同步突发静态存储器
GS8321E36E-250IV
型号: GS8321E36E-250IV
厂家: GSI TECHNOLOGY    GSI TECHNOLOGY
描述:

2M x 18, 1M x 32, 1M x 36 36Mb Sync Burst SRAMs
2M ×18 , 1M ×32 , 1M ×36 36MB同步突发静态存储器

存储 静态存储器
文件: 总31页 (文件大小:1516K)
中文:  中文翻译
下载:  下载PDF数据表文档文件
GS8321E18/32/36E-xxxV  
250 MHz133 MHz  
165-Bump FP-BGA  
Commercial Temp  
Industrial Temp  
2M x 18, 1M x 32, 1M x 36  
36Mb Sync Burst SRAMs  
1.8 V or 2.5 V V  
DD  
1.8 V or 2.5 V I/O  
Linear Burst Order (LBO) input. The Burst function need not be  
used. New addresses can be loaded on every cycle with no  
degradation of chip performance.  
Features  
• FT pin for user-configurable flow through or pipeline operation  
• Dual Cycle Deselect (DCD) operation  
• IEEE 1149.1 JTAG-compatible Boundary Scan  
• 1.8 V or 2.5 V core power supply  
• 1.8 V or 2.5 V I/O supply  
• LBO pin for Linear or Interleaved Burst mode  
• Internal input resistors on mode pins allow floating mode pins  
• Default to Interleaved Pipeline mode  
• Byte Write (BW) and/or Global Write (GW) operation  
• Internal self-timed write cycle  
Flow Through/Pipeline Reads  
The function of the Data Output register can be controlled by the  
user via the FT mode pin (Pin 14). Holding the FT mode pin low  
places the RAM in Flow Through mode, causing output data to  
bypass the Data Output Register. Holding FT high places the  
RAM in Pipeline mode, activating the rising-edge-triggered Data  
Output Register.  
• Automatic power-down for portable applications  
• JEDEC-standard 165-bump FP-BGA package  
• RoHS-compliant 165-bump BGA package available  
DCD Pipelined Reads  
The GS8321E18/32/36E-xxxV is a DCD (Dual Cycle Deselect)  
pipelined synchronous SRAM. SCD (Single Cycle Deselect)  
versions are also available. DCD SRAMs pipeline disable  
commands to the same degree as read commands. DCD RAMs  
hold the deselect command for one full cycle and then begin  
turning off their outputs just after the second rising edge of  
clock.  
Functional Description  
Applications  
The GS8321E18/32/36E-xxxV is a 37,748,736-bit high  
performance synchronous SRAM with a 2-bit burst address  
counter. Although of a type originally developed for Level 2  
Cache applications supporting high performance CPUs, the  
device now finds application in synchronous SRAM  
applications, ranging from DSP main store to networking chip  
set support.  
Byte Write and Global Write  
Byte write operation is performed by using Byte Write enable  
(BW) input combined with one or more individual byte write  
signals (Bx). In addition, Global Write (GW) is available for  
writing all bytes at one time, regardless of the Byte Write control  
inputs.  
Controls  
Addresses, data I/Os, chip enable (E1), address burst control  
inputs (ADSP, ADSC, ADV) and write control inputs (Bx, BW,  
GW) are synchronous and are controlled by a positive-edge-  
triggered clock input (CK3). Output enable (G) and power down  
control (ZZ) are asynchronous inputs. Burst cycles can be  
initiated with either ADSP or ADSC inputs. In Burst mode,  
subsequent burst addresses are generated internally and are  
controlled by ADV. The burst address counter may be  
configured to count in either linear or interleave order with the  
Sleep Mode  
Low power (Sleep mode) is attained through the assertion (High)  
of the ZZ signal, or by stopping the clock (CK). Memory data is  
retained during Sleep mode.  
Core and Interface Voltages  
The GS8321E18/32/36E-xxxV operates on a 1.8 V or 2.5 V  
power supply. All inputs are 1.8 V or 2.5 V compatible. Separate  
output power (V  
) pins are used to decouple output noise  
DDQ  
from the internal circuits and are 1.8 V or 2.5 Vcompatible.  
Parameter Synopsis  
-250 -225 -200 -166 -150 -133 Unit  
t
3.0 3.0 3.0 3.5 3.8 4.0 ns  
4.0 4.4 5.0 6.0 6.6 7.5 ns  
KQ  
Pipeline  
3-1-1-1  
tCycle  
Curr (x18) 285 250 215 200 190 165 mA  
Curr (x32/x36) 330 290 255 235 220 195 mA  
t
5.5 6.0 6.5 7.0 7.5 8.5 ns  
5.5 6.0 6.5 7.0 7.5 8.5 ns  
KQ  
Flow  
Through  
2-1-1-1  
tCycle  
Curr (x18) 205 195 185 175 165 155 mA  
Curr (x32/x36) 235 225 210 200 190 175 mA  
Rev: 1.04 6/2006  
1/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
165 Bump BGA—x18 Commom I/O—Top View (Package E)  
1
2
3
4
5
6
7
8
9
10  
11  
A
B
C
D
E
F
NC  
A
E1  
BB  
NC  
E3  
BW  
ADSC  
ADV  
A
A
A
B
C
D
E
F
NC  
NC  
A
E2  
NC  
BA  
CK  
GW  
G
ADSP  
A
NC  
NC  
NC  
NC  
NC  
NC  
DQA  
DQA  
DQA  
DQA  
NC  
A
NC  
DQPA  
DQA  
DQA  
DQA  
DQA  
ZZ  
NC  
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
SS  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
NC  
DQB  
DQB  
DQB  
DQB  
MCL  
NC  
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
NC  
NC  
G
H
J
NC  
G
H
J
FT  
NC  
NC  
DQB  
DQB  
DQB  
DQB  
DQPB  
NC  
V
V
NC  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
K
L
NC  
V
V
V
V
V
V
V
V
NC  
K
L
NC  
NC  
M
N
P
R
NC  
NC  
M
N
P
R
NC  
V
NC  
TDI  
A
NC  
V
NC  
DDQ  
SS  
SS  
DDQ  
NC  
A
A
A
A1  
A0  
TDO  
TCK  
A
A
A
A
LBO  
A
A
TMS  
A
A
A
11 x 15 Bump BGA—15 mm x 17 mm Body—1.0 mm Bump Pitch  
Rev: 1.04 6/2006  
2/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
165 Bump BGA—x32 Common I/O—Top View (Package E)  
1
2
3
4
5
6
7
8
9
10  
11  
A
B
C
D
E
F
NC  
A
E1  
BC  
BB  
E3  
BW  
ADSC  
ADV  
A
NC  
A
B
C
D
E
F
NC  
NC  
A
E2  
BD  
BA  
CK  
GW  
G
ADSP  
A
NC  
NC  
NC  
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
NC  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
SS  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
DQC  
DQC  
DQC  
DQC  
FT  
DQC  
DQC  
DQC  
DQC  
MCL  
DQD  
DQD  
DQD  
DQD  
NC  
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
DQB  
DQB  
DQB  
DQB  
NC  
DQB  
DQB  
DQB  
DQB  
ZZ  
G
H
J
G
H
J
NC  
NC  
DQD  
DQD  
DQD  
DQD  
NC  
V
V
DQA  
DQA  
DQA  
DQA  
NC  
DQA  
DQA  
DQA  
DQA  
NC  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
K
L
V
V
V
V
V
V
V
V
K
L
M
N
P
R
M
N
P
R
V
NC  
TDI  
A
NC  
V
SS  
DDQ  
SS  
DDQ  
NC  
NC  
A
A
A
A1  
A0  
TDO  
TCK  
A
A
A
A
A
LBO  
A
A
TMS  
A
A
A
11 x 15 Bump BGA—15 mm x 17 mm Body—1.0 mm Bump Pitch  
Rev: 1.04 6/2006  
3/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
165 Bump BGA—x36 Common I/O—Top View (Package E)  
1
2
3
4
5
6
7
8
9
10  
11  
A
B
C
D
E
F
NC  
A
E1  
BC  
BB  
E3  
BW  
ADSC  
ADV  
A
NC  
A
B
C
D
E
F
NC  
DQPC  
DQC  
DQC  
DQC  
DQC  
FT  
A
E2  
BD  
BA  
CK  
GW  
G
ADSP  
A
NC  
DQPB  
DQB  
DQB  
DQB  
DQB  
ZZ  
NC  
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
NC  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
SS  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
SS  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DD  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
DQC  
DQC  
DQC  
DQC  
MCL  
DQD  
DQD  
DQD  
DQD  
NC  
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
DQB  
DQB  
DQB  
DQB  
NC  
G
H
J
G
H
J
NC  
NC  
DQD  
DQD  
DQD  
DQD  
DQPD  
NC  
V
V
DQA  
DQA  
DQA  
DQA  
NC  
DQA  
DQA  
DQA  
DQA  
DQPA  
A
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
DDQ  
K
L
V
V
V
V
V
V
V
V
K
L
M
N
P
R
M
N
P
R
V
NC  
TDI  
A
NC  
V
SS  
DDQ  
SS  
DDQ  
NC  
A
A
A
A1  
A0  
TDO  
TCK  
A
A
A
A
LBO  
A
A
TMS  
A
A
A
11 x 15 Bump BGA—15 mm x 17 mm Body—1.0 mm Bump Pitch  
Rev: 1.04 6/2006  
4/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
GS8321E18/32/36E-xxxV 165-Bump BGA Pin Description  
Symbol  
A0, A1  
A
Type  
Description  
I
I
Address field LSBs and Address Counter Preset Inputs  
Address Inputs  
DQA  
DQB  
DQC  
DQD  
I/O  
Data Input and Output pins  
BA, BB, BC, BD  
I
I
Byte Write Enable for DQA, DQB, DQC, DQD I/Os; active low  
No Connect  
NC  
CK  
Clock Input Signal; active high  
Byte Write—Writes all enabled bytes; active low  
Global Write Enable—Writes all bytes; active low  
Chip Enable; active low  
BW  
I
GW  
I
E1  
I
E3  
I
Chip Enable; active low  
E2  
I
Chip Enable; active high  
G
I
Output Enable; active low  
ADV  
ADSC, ADSP  
ZZ  
I
Burst address counter advance enable; active l0w  
Address Strobe (Processor, Cache Controller); active low  
Sleep mode control; active high  
Flow Through or Pipeline mode; active low  
Linear Burst Order mode; active low  
Scan Test Mode Select  
I
I
FT  
I
LBO  
TMS  
TDI  
I
I
I
Scan Test Data In  
O
I
Scan Test Data Out  
TDO  
TCK  
MCL  
Scan Test Clock  
I
Must Connect Low  
V
Core power supply  
DD  
V
I
I
I/O and Core Ground  
SS  
V
Output driver power supply  
DDQ  
Rev: 1.04 6/2006  
5/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
GS8321E18/32/36E-xxxV Block Diagram  
Register  
A0An  
D
Q
A0  
A0  
A1  
D0  
D1  
Q0  
Q1  
A1  
Counter  
Load  
A
LBO  
ADV  
Memory  
Array  
CK  
ADSC  
ADSP  
Q
D
Register  
GW  
BW  
BA  
D
Q
36  
36  
Register  
D
Q
BB  
BC  
BD  
4
4
Register  
D
Q
Register  
D
Q
Register  
36  
D
Q
36  
36  
36  
32  
Register  
D
E1  
Q
4
Parity  
Encode  
Register  
D
Q
4
Parity  
Compare  
FT  
G
36  
0
Power Down  
Control  
DQx1DQx9  
NC  
NC  
ZZ  
Note: Only x36 version shown for simplicity.  
Rev: 1.04 6/2006  
6/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Mode Pin Functions  
Mode Name  
Pin Name  
State  
Function  
Linear Burst  
Interleaved Burst  
Flow Through  
Pipeline  
L
Burst Order Control  
Output Register Control  
Power Down Control  
LBO  
H
L
FT  
ZZ  
H or NC  
L or NC  
H
Active  
Standby, I = I  
DD SB  
Note:  
There is a pull-up device on the FT pin and a pull-down device on the ZZ pin, so this input pin can be unconnected and the chip will operate in  
the default states as specified in the above table.  
Burst Counter Sequences  
Linear Burst Sequence  
A[1:0] A[1:0] A[1:0] A[1:0]  
Interleaved Burst Sequence  
A[1:0] A[1:0] A[1:0] A[1:0]  
1st address  
2nd address  
3rd address  
4th address  
00  
01  
10  
11  
01  
10  
11  
00  
10  
11  
00  
01  
11  
00  
01  
10  
1st address  
2nd address  
3rd address  
4th address  
00  
01  
10  
11  
01  
00  
11  
10  
10  
11  
00  
01  
11  
10  
01  
00  
Note:  
The burst counter wraps to initial state on the 5th clock.  
Note:  
The burst counter wraps to initial state on the 5th clock.  
BPR 1999.05.18  
Rev: 1.04 6/2006  
7/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Byte Write Truth Table  
Function  
Read  
GW  
BW  
H
L
BA  
X
BB  
X
BC  
X
BD  
X
Notes  
1
H
H
H
H
H
H
H
L
Read  
H
L
H
H
L
H
H
H
L
H
H
H
H
L
1
Write byte a  
Write byte b  
Write byte c  
Write byte d  
Write all bytes  
Write all bytes  
L
2, 3  
L
H
H
H
L
2, 3  
L
H
H
L
2, 3, 4  
2, 3, 4  
2, 3, 4  
L
H
L
L
L
X
X
X
X
X
Notes:  
1. All byte outputs are active in read cycles regardless of the state of Byte Write Enable inputs.  
2. Byte Write Enable inputs BA, BB, BC and/or BD may be used in any combination with BW to write single or multiple bytes.  
3. All byte I/Os remain High-Z during all write operations regardless of the state of Byte Write Enable inputs.  
4. Bytes C” and “D” are only available on the x36 version.  
Rev: 1.04 6/2006  
8/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Synchronous Truth Table  
Operation  
State  
3
4
Diagram  
Address Used  
E1  
ADSP ADSC  
ADV  
W
DQ  
5
Key  
Deselect Cycle, Power Down  
Read Cycle, Begin Burst  
None  
External  
External  
External  
Next  
X
R
H
L
X
L
L
X
L
X
X
X
X
L
X
X
F
T
F
F
T
T
F
F
T
T
High-Z  
Q
Q
D
Q
Q
D
D
Q
Q
D
D
Read Cycle, Begin Burst  
Write Cycle, Begin Burst  
Read Cycle, Continue Burst  
Read Cycle, Continue Burst  
Write Cycle, Continue Burst  
Write Cycle, Continue Burst  
Read Cycle, Suspend Burst  
Read Cycle, Suspend Burst  
Write Cycle, Suspend Burst  
Write Cycle, Suspend Burst  
R
L
L
X
H
X
H
H
H
H
X
H
X
H
X
H
X
W
L
CR  
CR  
CW  
CW  
H
H
H
H
H
H
H
H
Next  
L
Next  
L
Next  
L
Current  
Current  
Current  
Current  
H
H
H
H
Notes:  
1. X = Don’t Care, H = High, L = Low  
2. W = T (True) and F (False) is defined in the Byte Write Truth Table preceding.  
3. G is an asynchronous input. G can be driven high at any time to disable active output drivers. G low can only enable active drivers (shown  
as “Q” in the Truth Table above).  
4. All input combinations shown above are tested and supported. Input combinations shown in gray boxes need not be used to accomplish  
basic synchronous or synchronous burst operations and may be avoided for simplicity.  
5. Tying ADSP high and ADSC low allows simple non-burst synchronous operations. See BOLD items above.  
6. Tying ADSP high and ADV low while using ADSC to load new addresses allows simple burst operations. See ITALIC items above.  
Rev: 1.04 6/2006  
9/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Simplified State Diagram  
X
Deselect  
W
R
W
R
X
R
X
First Write  
First Read  
CW  
CR  
CR  
W
R
R
X
Burst Write  
X
Burst Read  
CR  
CW  
CR  
Notes:  
1. The diagram shows only supported (tested) synchronous state transitions. The diagram presumes G is tied low.  
2. The upper portion of the diagram assumes active use of only the Enable (E1) and Write (BA, BB, BC, BD, BW, and GW) control inputs, and  
that ADSP is tied high and ADSC is tied low.  
3. The upper and lower portions of the diagram together assume active use of only the Enable, Write, and ADSC control inputs, and  
assumes ADSP is tied high and ADV is tied low.  
Rev: 1.04 6/2006  
10/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Simplified State Diagram with G  
X
Deselect  
W
R
W
R
X
W
R
X
First Write  
First Read  
CR  
CW  
CW  
CR  
W
R
R
W
X
Burst Write  
X
Burst Read  
CR  
CW  
CW  
CR  
Notes:  
1. The diagram shows supported (tested) synchronous state transitions plus supported transitions that depend upon the use of G.  
2. Use of “Dummy Reads” (Read Cycles with G High) may be used to make the transition from read cycles to write cycles without passing  
through a Deselect cycle. Dummy Read cycles increment the address counter just like normal read cycles.  
3. Transitions shown in gray tone assume G has been pulsed high long enough to turn the RAM’s drivers off and for incoming data to meet  
Data Input Set Up Time.  
Rev: 1.04 6/2006  
11/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Absolute Maximum Ratings  
(All voltages reference to V )  
SS  
Symbol  
Description  
Value  
Unit  
V
V
Voltage on V Pins  
0.5 to 4.6  
DD  
DD  
V
Voltage on V  
Pins  
0.5 to V  
V
DDQ  
DDQ  
DD  
V
0.5 to V  
+0.5 (4.6 V max.)  
DDQ  
Voltage on I/O Pins  
Voltage on Other Input Pins  
Input Current on Any Pin  
Output Current on Any I/O Pin  
Package Power Dissipation  
Storage Temperature  
V
V
I/O  
V
0.5 to V +0.5 (4.6 V max.)  
IN  
DD  
I
+/20  
+/20  
mA  
mA  
W
IN  
I
OUT  
P
1.5  
D
o
T
55 to 125  
55 to 125  
C
STG  
o
T
Temperature Under Bias  
C
BIAS  
Note:  
Permanent damage to the device may occur if the Absolute Maximum Ratings are exceeded. Operation should be restricted to Recommended  
Operating Conditions. Exposure to conditions exceeding the Absolute Maximum Ratings, for an extended period of time, may affect reliability of  
this component.  
Power Supply Voltage Ranges (1.8 V/2.5 V Version)  
Parameter  
Symbol  
Min.  
1.7  
Typ.  
1.8  
Max.  
2.0  
Unit  
Notes  
V
1.8 V Supply Voltage  
2.5 V Supply Voltage  
V
V
V
V
DD1  
V
2.3  
2.5  
2.7  
DD2  
1.8 V V  
I/O Supply Voltage  
V
V
1.7  
1.8  
DDQ  
DDQ  
DDQ1  
DD  
2.5 V V  
I/O Supply Voltage  
V
V
2.3  
2.5  
DDQ2  
DD  
Notes:  
1. The part numbers of Industrial Temperature Range versions end the character “I”. Unless otherwise noted, all performance specifica-  
tions quoted are evaluated for worst case in the temperature range marked on the device.  
2. Input Under/overshoot voltage must be 2 V > Vi < V +2 V not to exceed 4.6 V maximum, with a pulse width not to exceed 20% tKC.  
DDn  
Rev: 1.04 6/2006  
12/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
V
& V  
Range Logic Levels  
DDQ2  
DDQ1  
Parameter  
Symbol  
Min.  
Typ.  
Max.  
Unit  
V
Notes  
V
V
Input High Voltage  
V
0.6*V  
V
+ 0.3  
DD  
1
1
DD  
IH  
DD  
Input Low Voltage  
V
0.3*V  
DD  
0.3  
V
DD  
IL  
Notes:  
1. The part numbers of Industrial Temperature Range versions end the character “I”. Unless otherwise noted, all performance specifica-  
tions quoted are evaluated for worst case in the temperature range marked on the device.  
2. Input Under/overshoot voltage must be 2 V > Vi < V +2 V not to exceed 4.6 V maximum, with a pulse width not to exceed 20% tKC.  
DDn  
Recommended Operating Temperatures  
Parameter  
Symbol  
Min.  
0
Typ.  
25  
Max.  
70  
Unit  
°C  
Notes  
T
Ambient Temperature (Commercial Range Versions)  
2
2
A
T
Ambient Temperature (Industrial Range Versions)  
40  
25  
85  
°C  
A
Notes:  
1. The part numbers of Industrial Temperature Range versions end the character “I”. Unless otherwise noted, all performance specifica-  
tions quoted are evaluated for worst case in the temperature range marked on the device.  
2. Input Under/overshoot voltage must be 2 V > Vi < V +2 V not to exceed 4.6 V maximum, with a pulse width not to exceed 20% tKC.  
DDn  
Undershoot Measurement and Timing  
Overshoot Measurement and Timing  
V
IH  
20% tKC  
V
+ 2.0 V  
DD  
V
SS  
50%  
50%  
V
DD  
V
2.0 V  
SS  
20% tKC  
V
IL  
Capacitance  
o
(T = 25 C, f = 1 MHZ, V = 2.5 V)  
A
DD  
Parameter  
Symbol  
Test conditions  
Typ.  
Max.  
Unit  
pF  
C
V
= 0 V  
Input Capacitance  
4
6
5
7
IN  
IN  
C
V
OUT  
= 0 V  
Input/Output Capacitance  
pF  
I/O  
Note:  
These parameters are sample tested.  
Rev: 1.04 6/2006  
13/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
AC Test Conditions  
Parameter  
Conditions  
V
– 0.2 V  
Input high level  
Input low level  
DD  
0.2 V  
1 V/ns  
/2  
Figure 1  
Output Load 1  
Input slew rate  
V
DQ  
Input reference level  
DD  
V
/2  
Output reference level  
Output load  
DDQ  
*
50Ω  
30pF  
Fig. 1  
Notes:  
V
DDQ/2  
* Distributed Test Jig Capacitance  
1. Include scope and jig capacitance.  
2. Test conditions as specified with output loading as shown in Fig. 1  
unless otherwise noted.  
3. Device is deselected as defined by the Truth Table.  
DC Electrical Characteristics  
Parameter  
Symbol  
Test Conditions  
Min  
Max  
Input Leakage Current  
(except mode pins)  
I
V = 0 to V  
IN DD  
1 uA  
1 uA  
IL  
I
V
V 0 V  
DD IN  
FT, ZZ Input Current  
100 uA  
1 uA  
100 uA  
1 uA  
IN  
I
Output Disable, V  
= 0 to V  
Output Leakage Current  
OL  
OUT DD  
DC Output Characteristics (1.8 V/2.5 V Version)  
Parameter  
Symbol  
Test Conditions  
Min  
Max  
V
I
= 4 mA, V  
= 1.6 V  
V
– 0.4 V  
DDQ  
1.8 V Output High Voltage  
2.5 V Output High Voltage  
1.8 V Output Low Voltage  
2.5 V Output Low Voltage  
OH1  
OH  
DDQ  
V
I
= 8 mA, V  
= 2.375 V  
DDQ  
1.7 V  
OH2  
OH  
V
I
I
= 4 mA  
= 8 mA  
0.4 V  
0.4 V  
OL1  
OL  
OL  
V
OL2  
Rev: 1.04 6/2006  
14/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Rev: 1.04 6/2006  
15/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
AC Electrical Characteristics  
-250  
-225  
-200  
-166  
-150  
-133  
Parameter  
Symbol  
Unit  
Min Max Min Max Min Max Min Max Min Max Min Max  
Clock Cycle Time  
tKC  
tKQ  
4.0  
3.0  
5.5  
4.4  
3.0  
6.0  
5.0  
3.0  
6.5  
6.0  
3.5  
7.0  
6.7  
3.8  
7.5  
7.5  
1.5  
1.5  
1.5  
0.5  
8.5  
3.0  
3.0  
1.5  
0.5  
1.7  
2
4.0  
8.5  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
ns  
Clock to Output Valid  
Clock to Output Invalid  
Pipeline  
tKQX  
1.5  
1.5  
1.5  
0.2  
5.5  
1.5  
1.5  
1.5  
0.3  
6.0  
1.5  
1.5  
1.5  
0.4  
6.5  
1.5  
1.5  
1.5  
0.5  
7.0  
1.5  
1.5  
1.5  
0.5  
7.5  
1
Clock to Output in Low-Z  
tLZ  
Setup time  
Hold time  
tS  
tH  
Clock Cycle Time  
Clock to Output Valid  
tKC  
tKQ  
tKQX  
Clock to Output Invalid  
3.0  
3.0  
1.5  
0.5  
1.3  
1.7  
3.0  
3.0  
1.5  
0.5  
1.3  
1.7  
3.0  
3.0  
1.5  
0.5  
1.3  
1.7  
3.0  
3.0  
1.5  
0.5  
1.3  
1.7  
3.0  
3.0  
1.5  
0.5  
1.5  
1.7  
Flow  
Through  
1
Clock to Output in Low-Z  
tLZ  
Setup time  
Hold time  
tS  
tH  
Clock HIGH Time  
Clock LOW Time  
tKH  
tKL  
Clock to Output in  
High-Z  
1
1.5  
2.5  
1.5  
2.7  
1.5  
3.0  
1.5  
3.0 1.5 3.0 1.5 3.0  
ns  
tHZ  
G to Output Valid  
G to output in Low-Z  
G to output in High-Z  
ZZ setup time  
tOE  
0
2.5  
2.5  
0
2.7  
2.7  
0
3.0  
3.0  
0
3.5  
3.0  
0
3.8  
3.0  
0
4.0  
3.0  
ns  
ns  
ns  
ns  
ns  
ns  
1
tOLZ  
1
5
5
5
5
5
5
tOHZ  
2
tZZS  
2
ZZ hold time  
1
1
1
1
1
1
tZZH  
ZZ recovery  
tZZR  
20  
20  
20  
20  
20  
20  
Notes:  
1. These parameters are sampled and are not 100% tested.  
2. ZZ is an asynchronous signal. However, in order to be recognized on any given clock cycle, ZZ must meet the specified setup and hold  
times as specified above.  
Rev: 1.04 6/2006  
16/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Pipeline Mode Timing (DCD)  
Begin  
Read A Cont  
Deselect Deselect Write B Read C Read C+1 Read C+2 Read C+3 Cont  
tKL  
Deselect Deselect  
tKH  
tKC  
CK  
ADSP  
tS  
tS  
ADSC initiated read  
tH  
ADSC  
ADV  
tS  
tH  
tH  
A
B
C
Ao–An  
GW  
tS  
tS  
tH  
tH  
BW  
tS  
Ba–Bd  
E1  
tS  
tS  
tS  
Deselected with E1  
tH  
E2 and E3 only sampled with ADSC  
tH  
tH  
E2  
E3  
G
tS  
D(B)  
tKQ  
tHZ  
tOE  
tOHZ  
Q(A)  
tH  
tLZ  
tKQX  
Hi-Z  
Q(C)  
Q(C+1)  
Q(C+2)  
Q(C+3)  
DQa–DQd  
Rev: 1.04 6/2006  
17/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Flow Through Mode Timing (DCD)  
Begin  
Read A Cont  
tKH  
Deselect Write B  
tKC  
Read C Read C+1 Read C+2 Read C+3 Read C Deselect  
tKL  
CK  
Fixed High  
ADSP  
tS  
tH  
tS  
tH  
ADSC initiated read  
ADSC  
ADV  
Ao–An  
GW  
tH  
tS  
tS  
tH  
tS  
tH  
A
B
C
tS  
tH  
tS  
tH  
BW  
tH  
tS  
Ba–Bd  
E1  
tS  
Deselected with E1  
tH  
E1 masks ADSP  
tS  
tH  
E2 and E3 only sampled with ADSP and ADSC  
E1 masks ADSP  
E2  
tS  
tH  
E3  
G
tH  
tS  
tOE  
tKQ  
tKQX  
tHZ  
tOHZ  
D(B)  
tLZ  
Q(A)  
Q(C)  
Q(C+1)  
Q(C+2)  
Q(C+3)  
Q(C)  
DQa–DQd  
Rev: 1.04 6/2006  
18/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Sleep Mode  
During normal operation, ZZ must be pulled low, either by the user or by its internal pull down resistor. When ZZ is pulled high,  
the SRAM will enter a Power Sleep mode after 2 cycles. At this time, internal state of the SRAM is preserved. When ZZ returns to  
low, the SRAM operates normally after ZZ recovery time.  
Sleep mode is a low current, power-down mode in which the device is deselected and current is reduced to I 2. The duration of  
SB  
Sleep mode is dictated by the length of time the ZZ is in a High state. After entering Sleep mode, all inputs except ZZ become  
disabled and all outputs go to High-Z The ZZ pin is an asynchronous, active high input that causes the device to enter Sleep mode.  
When the ZZ pin is driven high, I 2 is guaranteed after the time tZZI is met. Because ZZ is an asynchronous input, pending  
SB  
operations or operations in progress may not be properly completed if ZZ is asserted. Therefore, Sleep mode must not be initiated  
until valid pending operations are completed. Similarly, when exiting Sleep mode during tZZR, only a Deselect or Read commands  
may be applied while the SRAM is recovering from Sleep mode.  
Sleep Mode Timing Diagram  
tKH  
tKC  
tKL  
CK  
Setup  
Hold  
ADSP  
ADSC  
tZZR  
tZZS  
tZZH  
ZZ  
Application Tips  
Single and Dual Cycle Deselect  
SCD devices force the use of “dummy read cycles” (read cycles that are launched normally but that are ended with the output  
drivers inactive) in a fully synchronous environment. Dummy read cycles waste performance but their use usually assures there  
will be no bus contention in transitions from reads to writes or between banks of RAMs. DCD SRAMs (like this one) do not waste  
bandwidth on dummy cycles and are logically simpler to manage in a multiple bank application (wait states need not be inserted at  
bank address boundary crossings) but greater care must be exercised to avoid excessive bus contention.  
JTAG Port Operation  
Overview  
The JTAG Port on this RAM operates in a manner that is compliant with IEEE Standard 1149.1-1990, a serial boundary scan  
interface standard (commonly referred to as JTAG). The JTAG Port input interface levels scale with V . The JTAG output  
DD  
drivers are powered by V  
.
DDQ  
Disabling the JTAG Port  
It is possible to use this device without utilizing the JTAG port. The port is reset at power-up and will remain inactive unless  
clocked. TCK, TDI, and TMS are designed with internal pull-up circuits.To assure normal operation of the RAM with the JTAG  
Port unused, TCK, TDI, and TMS may be left floating or tied to either V or V . TDO should be left unconnected.  
DD  
SS  
Rev: 1.04 6/2006  
19/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
JTAG Pin Descriptions  
Pin  
Pin Name  
I/O  
Description  
Clocks all TAP events. All inputs are captured on the rising edge of TCK and all outputs propagate  
from the falling edge of TCK.  
TCK  
Test Clock  
In  
The TMS input is sampled on the rising edge of TCK. This is the command input for the TAP  
TMS  
TDI  
Test Mode Select  
Test Data In  
In controller state machine. An undriven TMS input will produce the same result as a logic one input  
level.  
The TDI input is sampled on the rising edge of TCK. This is the input side of the serial registers  
placed between TDI and TDO. The register placed between TDI and TDO is determined by the  
In state of the TAP Controller state machine and the instruction that is currently loaded in the TAP  
Instruction Register (refer to the TAP Controller State Diagram). An undriven TDI pin will produce  
the same result as a logic one input level.  
Output that is active depending on the state of the TAP state machine. Output changes in  
Out response to the falling edge of TCK. This is the output side of the serial registers placed between  
TDI and TDO.  
TDO  
Test Data Out  
Note:  
This device does not have a TRST (TAP Reset) pin. TRST is optional in IEEE 1149.1. The Test-Logic-Reset state is entered while TMS is  
held high for five rising edges of TCK. The TAP Controller is also reset automaticly at power-up.  
JTAG Port Registers  
Overview  
The various JTAG registers, refered to as Test Access Port orTAP Registers, are selected (one at a time) via the sequences of 1s  
and 0s applied to TMS as TCK is strobed. Each of the TAP Registers is a serial shift register that captures serial input data on the  
rising edge of TCK and pushes serial data out on the next falling edge of TCK. When a register is selected, it is placed between the  
TDI and TDO pins.  
Instruction Register  
The Instruction Register holds the instructions that are executed by the TAP controller when it is moved into the Run, Test/Idle, or  
the various data register states. Instructions are 3 bits long. The Instruction Register can be loaded when it is placed between the  
TDI and TDO pins. The Instruction Register is automatically preloaded with the IDCODE instruction at power-up or whenever the  
controller is placed in Test-Logic-Reset state.  
Bypass Register  
The Bypass Register is a single bit register that can be placed between TDI and TDO. It allows serial test data to be passed through  
the RAM’s JTAG Port to another device in the scan chain with as little delay as possible.  
Boundary Scan Register  
The Boundary Scan Register is a collection of flip flops that can be preset by the logic level found on the RAM’s input or I/O pins.  
The flip flops are then daisy chained together so the levels found can be shifted serially out of the JTAG Port’s TDO pin. The  
Boundary Scan Register also includes a number of place holder flip flops (always set to a logic 1). The relationship between the  
device pins and the bits in the Boundary Scan Register is described in the Scan Order Table following. The Boundary Scan  
Register, under the control of the TAP Controller, is loaded with the contents of the RAMs I/O ring when the controller is in  
Capture-DR state and then is placed between the TDI and TDO pins when the controller is moved to Shift-DR state. SAMPLE-Z,  
SAMPLE/PRELOAD and EXTEST instructions can be used to activate the Boundary Scan Register.  
Rev: 1.04 6/2006  
20/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
JTAG TAP Block Diagram  
·
·
·
·
·
·
·
·
Boundary Scan Register  
·
·
·
0
Bypass Register  
2
1 0  
Instruction Register  
TDI  
TDO  
ID Code Register  
31 30 29  
2 1  
0
·
· · ·  
Control Signals  
Test Access Port (TAP) Controller  
TMS  
TCK  
Identification (ID) Register  
The ID Register is a 32-bit register that is loaded with a device and vendor specific 32-bit code when the controller is put in  
Capture-DR state with the IDCODE command loaded in the Instruction Register. The code is loaded from a 32-bit on-chip ROM.  
It describes various attributes of the RAM as indicated below. The register is then placed between the TDI and TDO pins when the  
controller is moved into Shift-DR state. Bit 0 in the register is the LSB and the first to reach TDO when shifting begins.  
ID Register Contents  
GSI Technology  
Not Used  
JEDEC Vendor  
ID Code  
Bit # 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1  
0 1 1 0 1 1 0 0 1  
0
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
0
0
Rev: 1.04 6/2006  
21/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Tap Controller Instruction Set  
Overview  
There are two classes of instructions defined in the Standard 1149.1-1990; the standard (Public) instructions, and device specific  
(Private) instructions. Some Public instructions are mandatory for 1149.1 compliance. Optional Public instructions must be  
implemented in prescribed ways. The TAP on this device may be used to monitor all input and I/O pads, and can be used to load  
address, data or control signals into the RAM or to preload the I/O buffers.  
When the TAP controller is placed in Capture-IR state the two least significant bits of the instruction register are loaded with 01.  
When the controller is moved to the Shift-IR state the Instruction Register is placed between TDI and TDO. In this state the desired  
instruction is serially loaded through the TDI input (while the previous contents are shifted out at TDO). For all instructions, the  
TAP executes newly loaded instructions only when the controller is moved to Update-IR state. The TAP instruction set for this  
device is listed in the following table.  
JTAG Tap Controller State Diagram  
Test Logic Reset  
1
0
1
1
1
Run Test Idle  
Select DR  
Select IR  
0
0
0
1
1
1
1
Capture DR  
Capture IR  
0
0
Shift DR  
Shift IR  
0
0
1
1
Exit1 DR  
Exit1 IR  
0
0
Pause DR  
Pause IR  
0
0
0
0
1
1
Exit2 DR  
Exit2 IR  
1
1
Update DR  
Update IR  
1
0
1
0
Instruction Descriptions  
BYPASS  
When the BYPASS instruction is loaded in the Instruction Register the Bypass Register is placed between TDI and TDO. This  
occurs when the TAP controller is moved to the Shift-DR state. This allows the board level scan path to be shortened to facili-  
tate testing of other devices in the scan path.  
Rev: 1.04 6/2006  
22/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
SAMPLE/PRELOAD  
SAMPLE/PRELOAD is a Standard 1149.1 mandatory public instruction. When the SAMPLE / PRELOAD instruction is  
loaded in the Instruction Register, moving the TAP controller into the Capture-DR state loads the data in the RAMs input and  
I/O buffers into the Boundary Scan Register. Boundary Scan Register locations are not associated with an input or I/O pin, and  
are loaded with the default state identified in the Boundary Scan Chain table at the end of this section of the datasheet. Because  
the RAM clock is independent from the TAP Clock (TCK) it is possible for the TAP to attempt to capture the I/O ring contents  
while the input buffers are in transition (i.e. in a metastable state). Although allowing the TAP to sample metastable inputs will  
not harm the device, repeatable results cannot be expected. RAM input signals must be stabilized for long enough to meet the  
TAPs input data capture set-up plus hold time (tTS plus tTH). The RAMs clock inputs need not be paused for any other TAP  
operation except capturing the I/O ring contents into the Boundary Scan Register. Moving the controller to Shift-DR state then  
places the boundary scan register between the TDI and TDO pins.  
EXTEST  
EXTEST is an IEEE 1149.1 mandatory public instruction. It is to be executed whenever the instruction register is loaded with  
all logic 0s. The EXTEST command does not block or override the RAM’s input pins; therefore, the RAM’s internal state is  
still determined by its input pins.  
Typically, the Boundary Scan Register is loaded with the desired pattern of data with the SAMPLE/PRELOAD command.  
Then the EXTEST command is used to output the Boundary Scan Register’s contents, in parallel, on the RAM’s data output  
drivers on the falling edge of TCK when the controller is in the Update-IR state.  
Alternately, the Boundary Scan Register may be loaded in parallel using the EXTEST command. When the EXTEST instruc-  
tion is selected, the sate of all the RAM’s input and I/O pins, as well as the default values at Scan Register locations not asso-  
ciated with a pin, are transferred in parallel into the Boundary Scan Register on the rising edge of TCK in the Capture-DR  
state, the RAM’s output pins drive out the value of the Boundary Scan Register location with which each output pin is associ-  
ated.  
IDCODE  
The IDCODE instruction causes the ID ROM to be loaded into the ID register when the controller is in Capture-DR mode and  
places the ID register between the TDI and TDO pins in Shift-DR mode. The IDCODE instruction is the default instruction  
loaded in at power up and any time the controller is placed in the Test-Logic-Reset state.  
SAMPLE-Z  
If the SAMPLE-Z instruction is loaded in the instruction register, all RAM outputs are forced to an inactive drive state (high-  
Z) and the Boundary Scan Register is connected between TDI and TDO when the TAP controller is moved to the Shift-DR  
state.  
RFU  
These instructions are Reserved for Future Use. In this device they replicate the BYPASS instruction.  
Rev: 1.04 6/2006  
23/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
JTAG TAP Instruction Set Summary  
Instruction  
EXTEST  
Code  
000  
Description  
Notes  
1
Places the Boundary Scan Register between TDI and TDO.  
Preloads ID Register and places it between TDI and TDO.  
IDCODE  
001  
1, 2  
Captures I/O ring contents. Places the Boundary Scan Register between TDI and  
SAMPLE-Z  
010  
011  
TDO.  
1
1
Forces all RAM output drivers to High-Z.  
Do not use this instruction; Reserved for Future Use.  
Replicates BYPASS instruction. Places Bypass Register between TDI and TDO.  
RFU  
SAMPLE/  
PRELOAD  
Captures I/O ring contents. Places the Boundary Scan Register between TDI and  
TDO.  
100  
101  
110  
111  
1
1
1
1
GSI  
GSI private instruction.  
Do not use this instruction; Reserved for Future Use.  
Replicates BYPASS instruction. Places Bypass Register between TDI and TDO.  
RFU  
BYPASS  
Places Bypass Register between TDI and TDO.  
Notes:  
1. Instruction codes expressed in binary, MSB on left, LSB on right.  
2. Default instruction automatically loaded at power-up and in test-logic-reset state.  
Rev: 1.04 6/2006  
24/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
JTAG Port Recommended Operating Conditions and DC Characteristics (1.8/2.5 V Version)  
Parameter  
Symbol  
Min.  
0.3  
Max.  
Unit Notes  
V
0.3 * V  
1.8 V Test Port Input Low Voltage  
2.5 V Test Port Input Low Voltage  
1.8 V Test Port Input High Voltage  
2.5 V Test Port Input High Voltage  
TMS, TCK and TDI Input Leakage Current  
TMS, TCK and TDI Input Leakage Current  
TDO Output Leakage Current  
V
V
1
1
ILJ1  
DD1  
V
0.3 * V  
DD2  
0.3  
ILJ2  
V
0.6 * V  
V
V
+0.3  
+0.3  
V
1
IHJ1  
DD1  
DD1  
DD2  
V
0.6 * V  
DD2  
V
1
IHJ2  
I
300  
1  
1
uA  
uA  
uA  
V
2
INHJ  
I
100  
1
3
INLJ  
I
1  
4
OLJ  
V
Test Port Output High Voltage  
1.7  
0.4  
5, 6  
5, 7  
5, 8  
5, 9  
OHJ  
V
Test Port Output Low Voltage  
V
OLJ  
V
V
– 100 mV  
DDQ  
Test Port Output CMOS High  
V
OHJC  
V
Test Port Output CMOS Low  
100 mV  
V
OLJC  
Notes:  
1. Input Under/overshoot voltage must be 2 V < Vi < V  
+2 V not to exceed 4.6 V maximum, with a pulse width not to exceed 20% tTKC.  
DDn  
2.  
V
V V  
ILJ  
IN  
DDn  
3. 0 V V V  
IN  
ILJn  
4. Output Disable, V  
= 0 to V  
DDn  
OUT  
5. The TDO output driver is served by the V  
supply.  
DDQ  
6.  
7.  
8.  
9.  
I
I
I
I
= 4 mA  
OHJ  
= + 4 mA  
OLJ  
= –100 uA  
= +100 uA  
OHJC  
OLJC  
JTAG Port AC Test Conditions  
Parameter  
Conditions  
JTAG Port AC Test Load  
V
– 0.2 V  
Input high level  
Input low level  
DQ  
DD  
0.2 V  
1 V/ns  
*
50Ω  
Input slew rate  
30pF  
V
V
/2  
Input reference level  
DDQ  
V
/2  
DDQ  
/2  
Output reference level  
DDQ  
* Distributed Test Jig Capacitance  
Notes:  
1. Include scope and jig capacitance.  
2. Test conditions as shown unless otherwise noted.  
Rev: 1.04 6/2006  
25/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
JTAG Port Timing Diagram  
tTKC  
tTKH  
tTKL  
TCK  
TDI  
tTH  
tTH  
tTS  
tTS  
TMS  
TDO  
tTKQ  
tTH  
tTS  
Parallel SRAM input  
JTAG Port AC Electrical Characteristics  
Parameter  
Symbol  
tTKC  
tTKQ  
tTKH  
tTKL  
tTS  
Min  
Max  
Unit  
TCK Cycle Time  
50  
ns  
ns  
ns  
ns  
ns  
ns  
TCK Low to TDO Valid  
TCK High Pulse Width  
TCK Low Pulse Width  
TDI & TMS Set Up Time  
TDI & TMS Hold Time  
20  
20  
20  
10  
10  
tTH  
Boundary Scan (BSDL Files)  
For information regarding the Boundary Scan Chain, or to obtain BSDL files for this part, please contact our Applications  
Engineering Department at: apps@gsitechnology.com.  
Rev: 1.04 6/2006  
26/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Package Dimensions—165-Bump FPBGA (Package E)  
A1 CORNER  
TOP VIEW  
BOTTOM VIEW  
A1 CORNER  
M
M
Ø0.10  
C
Ø0.25 C A B  
Ø0.40~0.60 (165x)  
1
2 3 4 5 6 7 8 9 10 11  
11 10 9 8  
7 6 5 4 3 2 1  
A
B
C
D
E
F
A
B
C
D
E
F
G
H
J
G
H
J
K
L
K
L
M
N
P
R
M
N
P
R
A
1.0  
10.0  
1.0  
15±0.05  
B
0.20(4x)  
SEATING PLANE  
C
Rev: 1.04 6/2006  
27/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Ordering Information for GSI Synchronous Burst RAMs  
2
Voltage  
Option  
Speed  
3
1
4
Org  
Type  
Package  
T
Part Number  
Status  
A
(MHz/ns)  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
1M x 32  
1M x 32  
1M x 32  
1M x 32  
1M x 32  
1M x 32  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
1M x 32  
1M x 32  
1M x 32  
1M x 32  
1M x 32  
GS8321E18E-250V  
GS8321E18E-225V  
GS8321E18E-200V  
GS8321E18E-166V  
GS8321E18E-150V  
GS8321E18E-133V  
GS8321E32E-250V  
GS8321E32E-225V  
GS8321E32E-200V  
GS8321E32E-166V  
GS8321E32E-150V  
GS8321E32E-133V  
GS8321E36E-250V  
GS8321E36E-225V  
GS8321E36E-200V  
GS8321E36E-166V  
GS8321E36E-150V  
GS8321E36E-133V  
GS8321E18E-250IV  
GS8321E18E-225IV  
GS8321E18E-200IV  
GS8321E18E-166IV  
GS8321E18E-150IV  
GS8321E18E-133IV  
GS8321E32E-250IV  
GS8321E32E-225IV  
GS8321E32E-200IV  
GS8321E32E-166IV  
GS8321E32E-150IV  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
250/6.5  
225/7  
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
I
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
MP  
200/7.5  
166/8  
150/8.5  
133/8.5  
250/6.5  
225/7  
200/7.5  
166/8  
150/8.5  
133/8.5  
250/6.5  
225/7  
200/7.5  
166/8  
150/8.5  
133/8.5  
250/6.5  
225/7  
I
200/7.5  
166/8  
I
I
150/8.5  
133/8.5  
250/6.5  
225/7  
I
I
I
I
200/7.5  
166/8  
I
I
150/8.5  
I
Notes:  
1. Customers requiring delivery in Tape and Reel should add the character “T” to the end of the part number. Example: GS8321E18E-150IT.  
2. The speed column indicates the cycle frequency (MHz) of the device in Pipeline mode and the latency (ns) in Flow Through mode. Each  
device is Pipeline/Flow Through mode-selectable by the user.  
3. T = C = Commercial Temperature Range. T = I = Industrial Temperature Range.  
A
A
4. GSI offers other versions this type of device in many different configurations and with a variety of different features, only some of which are  
covered in this data sheet. See the GSI Technology web site (www.gsitechnology.com) for a complete listing of current offerings.  
Rev: 1.04 6/2006  
28/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Ordering Information for GSI Synchronous Burst RAMs  
2
Voltage  
Option  
Speed  
3
1
4
Org  
Type  
Package  
T
Part Number  
Status  
A
(MHz/ns)  
1M x 32  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
1M x 32  
1M x 32  
1M x 32  
1M x 32  
1M x 32  
1M x 32  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
2M x 18  
GS8321E32E-133IV  
GS8321E36E-250IV  
GS8321E36E-225IV  
GS8321E36E-200IV  
GS8321E36E-166IV  
GS8321E36E-150IV  
GS8321E36E-133IV  
GS8321E18GE-250V  
GS8321E18GE-225V  
GS8321E18GE-200V  
GS8321E18GE-166V  
GS8321E18GE-150V  
GS8321E18GE-133V  
GS8321E32GE-250V  
GS8321E32GE-225V  
GS8321E32GE-200V  
GS8321E32GE-166V  
GS8321E32GE-150V  
GS8321E32GE-133V  
GS8321E36GE-250V  
GS8321E36GE-225V  
GS8321E36GE-200V  
GS8321E36GE-166V  
GS8321E36GE-150V  
GS8321E36GE-133V  
GS8321E18GE-250IV  
GS8321E18GE-225IV  
GS8321E18GE-200IV  
GS8321E18GE-166IV  
GS8321E18GE-150IV  
GS8321E18GE-133IV  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
1.8 V or 2.5 V  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
165 BGA  
133/8.5  
250/6.5  
225/7  
I
I
MP  
MP  
MP  
MP  
MP  
MP  
MP  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
I
200/7.5  
166/8  
I
I
150/8.5  
133/8.5  
250/6.5  
225/7  
I
I
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
C
I
200/7.5  
166/8  
150/8.5  
133/8.5  
250/6.5  
225/7  
200/7.5  
166/8  
150/8.5  
133/8.5  
250/6.5  
225/7  
200/7.5  
166/8  
150/8.5  
133/8.5  
250/6.5  
225/7  
I
200/7.5  
166/8  
I
I
150/8.5  
133/8.5  
I
I
Notes:  
1. Customers requiring delivery in Tape and Reel should add the character “T” to the end of the part number. Example: GS8321E18E-150IT.  
2. The speed column indicates the cycle frequency (MHz) of the device in Pipeline mode and the latency (ns) in Flow Through mode. Each  
device is Pipeline/Flow Through mode-selectable by the user.  
3. T = C = Commercial Temperature Range. T = I = Industrial Temperature Range.  
A
A
4. GSI offers other versions this type of device in many different configurations and with a variety of different features, only some of which are  
covered in this data sheet. See the GSI Technology web site (www.gsitechnology.com) for a complete listing of current offerings.  
Rev: 1.04 6/2006  
29/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
Ordering Information for GSI Synchronous Burst RAMs  
2
Voltage  
Option  
Speed  
3
1
4
Org  
Type  
Package  
T
Part Number  
Status  
A
(MHz/ns)  
1M x 32  
1M x 32  
1M x 32  
1M x 32  
1M x 32  
1M x 32  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
1M x 36  
GS8321E32GE-250IV  
GS8321E32GE-225IV  
GS8321E32GE-200IV  
GS8321E32GE-166IV  
GS8321E32GE-150IV  
GS8321E32GE-133IV  
GS8321E36GE-250IV  
GS8321E36GE-225IV  
GS8321E36GE-200IV  
GS8321E36GE-166IV  
GS8321E36GE-150IV  
GS8321E36GE-133IV  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
Synchronous Burst  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
1.8 V or 2.5 V RoHS-compliant 165 BGA  
250/6.5  
225/7  
I
I
I
I
I
I
I
I
I
I
I
I
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
PQ  
200/7.5  
166/8  
150/8.5  
133/8.5  
250/6.5  
225/7  
200/7.5  
166/8  
150/8.5  
133/8.5  
Notes:  
1. Customers requiring delivery in Tape and Reel should add the character “T” to the end of the part number. Example: GS8321E18E-150IT.  
2. The speed column indicates the cycle frequency (MHz) of the device in Pipeline mode and the latency (ns) in Flow Through mode. Each  
device is Pipeline/Flow Through mode-selectable by the user.  
3. T = C = Commercial Temperature Range. T = I = Industrial Temperature Range.  
A
A
4. GSI offers other versions this type of device in many different configurations and with a variety of different features, only some of which are  
covered in this data sheet. See the GSI Technology web site (www.gsitechnology.com) for a complete listing of current offerings.  
Rev: 1.04 6/2006  
30/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  
GS8321E18/32/36E-xxxV  
36Mb Sync SRAM Datasheet Revision History  
Types of Changes  
Format or Content  
DS/DateRev. Code: Old;  
Page;Revisions;Reason  
New  
• Creation of new datasheet  
8321EVxx_r1  
• Added parity bit designators to x18 and x36 pinouts  
• Removed address pin numbers (except 0 and 1)  
• Corrected “E” package thickness to 1.4 mm  
8321EVxx_r1;  
8321EVxx_r1_01  
Content  
• Updated format  
• Added variation information to package mechanical  
8321EVxx_r1_01;  
8321EVxx_r1_02  
Content/Format  
Format  
• Pb-free information added  
8321EVxx_r1_02;  
8321EVxx_r1_03  
• Updated entire document to reflect change in part  
nomenclature  
8321EVxx_r1_03;  
8321EVxx_r1_04  
Format  
Rev: 1.04 6/2006  
31/31  
© 2003, GSI Technology  
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.  

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