BR93L56F [ETC]
EEPROM ; EEPROM\n
| 型号： | BR93L56F |
| 厂家： | 
ETC |
| 描述： | EEPROM
|
| 文件： | 总2页 (文件大小：48K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
BR93L56-W/F-W/RF-W/FJ-W/RFJ-W/FV-W
/RFV-W/RFVM-W
BR93L66-W/F-W/RF-W/FJ-W/RFJ-W/FV-W
/RFV-W/RFVM-W
Features
Pin Configurations
BR93L56F-W/
FJ-W/FV-W
BR93L66F-W/
FJ-W/FV-W
BR93L56-W
BR93L66-W
• 2k bit serial EEPROM organized as 128 × 16bit (BR93L56)
4k bit serial EEPROM organized as 256 × 16bit (BR93L66)
• Low voltage operation
8
8
CS 1
Vcc
NC
NC
Vcc
CS
1
2
3
4
NC
Read : 1.8~5.5V
Write : 1.8~5.5V
SK
DI
7
7
2
3
4
GND
6 NC
6 DO
DO
SK
5
5
DI
GND
• Low current consumption
Active : 1.5mA MAX (Vcc=1.8~2.5V)
3mA MAX (Vcc=2.5~5.5V)
Standby : 2µA MAX
DIP8
SOP8/SOP-J8/SSOP-B8
BR93L56RF-W/RFJ-W/
RFV-W/RFVM-W
BR93L66RF-W/RFJ-W/
RFV-W/RFVM-W
• Clock frequency : 500kHz MAX (Vcc=1.8~2.5V)
2MHz MAX (Vcc=2.5~5.5V)
8
7
CS 1
Vcc
NC
• Write cycle time : 5ms MAX
SK
DI
2
3
4
• Address auto-increment function during read operation
• Automatic erase-before-write function during write operation
6 NC
DO
5
GND
• Inadvertent write protection function
SOP8/SOP-J8/SSOP-B8/MSOP8
Defaults to power up with write-disabled state
Software instructions for write-enable/disable
Inadvertent write protection at low voltage (Vcc Lock-out function)
Pin Functions
Functions
Chip Select
Pin Names
CS
• READY/BUSY Status indicator function (DO pin)
• Schmitt trigger circuit & noise filter are built into SK, DI pin.
• TTL compatible input/output
SK
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
DI
• 1,000,000 write cycle typical
DO
• 40 years data retention
GND
Vcc
• Operating temperature range : -40~85˚C
Power Supply
Block Diagram
Voltage
Detection
CS
Instruction Decode
Control
Clock Generation
SK
Write
Disable
High Voltage
Generation
7bit:
7bit:
Address
Buffer
Address
Decoder
BR93L56
BR93L56
Instruction
Register
8bit:
8bit:
BR93L66
2~4k bit
EEPROM
Array
DI
BR93L66
Data
Register
R/W
Amps
16bit
16bit
DO
13
1.8V Low voltage
operating
Serial 3 Wire Interface
Timing chart
Read cycle
1
2
4
11
12
27
28
SK
CS
DI
1
*
1
1
0
A7
A6
A5
A1
A0
0
D15 D14
D1
D0
D15 D14
DO
Hi-Z
Read Data
(n)
Read Data
(n+1)
Write cycle
SK
CS
DI
1
2
4
11
12
27
D0
STATUS
1
*
1
0
1
A7
A6
A5
A1
A0
D15 D14
D1
BUSY READY
DO
Hi-Z
tE/w
Write all registers cycle
1
2
5
12
27
SK
CS
STATUS
1
0
0
0
1
D15 D14
D1
D0
DI
BUSY READY
DO
Hi-Z
tE/w
Write enable / disable cycle
SK
CS
ENABLE = 1 1
DISABLE = 0 0
1
0
0
DI
DO
Hi-Z
*1: A7=0 (BR93L56)
Note : BR93LC56/F/RF/FJ/RFJ/FV, BR93LC66/F/RF/FJ/RFJ/FV are single-cell types.
Please be careful not to confuse w-cell type and single-cell type. ("-W" means double-cell type.)
14
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