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AT93C57-10PI-2.7 fiches techniques PDF

ATMEL Corporation - 3-Wire Serial EEPROMs

Numéro de référence AT93C57-10PI-2.7
Description 3-Wire Serial EEPROMs
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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AT93C57-10PI-2.7 fiche technique
Features
Low Voltage and Standard Voltage Operation
– 5.0 (VCC = 4.5V to 5.5V)
– 2.7 (VCC = 2.7V to 5.5V)
– 2.5 (VCC = 2.5V to 5.5V)
– 1.8 (VCC = 1.8V to 5.5V)
User Selectable Internal Organization
– 1K: 128 x 8 or 64 x 16
– 2K: 256 x 8 or 128 x 16
– 4K: 512 x 8 or 256 x 16
3-Wire Serial Interface
2 MHz Clock Rate (5V) Compatibility
Self-Timed Write Cycle (10 ms max)
High Reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
– ESD Protection: >4000V
Automotive Grade and Extended Temperature Devices Available
8-Pin PDIP, 8-Pin JEDEC and EIAJ SOIC, and 8-Pin TSSOP Packages
Description
The AT93C46/56/57/66 provides 1024/2048/4096 bits of serial electrically erasable
programmable read only memory (EEPROM) organized as 64/128/256 words of 16
bits each, when the ORG Pin is connected to VCC and 128/256/512 words of 8 bits
each when it is tied to ground. The device is optimized for use in many industrial and
commercial applications where low power and low voltage operations are essential.
The AT93C46/56/57/66 is available in space saving 8-pin PDIP and 8-pin JEDEC and
EIAJ SOIC packages.
Pin Configurations
(continued)
Pin Name Function
8-Pin PDIP
CS Chip Select
SK Serial Data Clock
DI Serial Data Input
DO Serial Data Output
CS 1
SK 2
DI 3
DO 4
8 VCC
7 DC
6 ORG
5 GND
GND
Ground
VCC
ORG
DC
Power Supply
Internal Organization
Don’t Connect
8-Pin SOIC
Rotated (R)
(1K JEDEC Only)
DC
VCC
CS
SK
1
2
3
4
8 ORG
7 GND
6 DO
5 DI
8-Pin SOIC
CS 1
SK 2
DI 3
DO 4
8 VCC
7 DC
6 ORG
5 GND
8-Pin TSSOP
CS 1
SK 2
DI 3
DO 4
8 VCC
7 DC
6 ORG
5 GND
3-Wire Serial
EEPROMs
1K (128 x 8 or 64 x 16)
2K (256 x 8 or 128 x 16)
4K (512 x 8 or 256 x 16)
AT93C46
AT93C56
AT93C57
AT93C66
3-Wire, 1K
Serial E2PROM
Rev. 0172K–07/98
1

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