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AT93C46-10SA-2.7C Datasheet

  • AT93C46-10SA-2.7C

  • Microwire Serial EEPROM

  • 15頁

  • ETC

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Features
鈥?/div>
Medium-voltage and Standard-voltage Operation
鈥?/div>
鈥?5.0 (V
CC
= 4.5V to 5.5V)
鈥?2.7 (V
CC
= 2.7V to 5.5V)
User-selectable Internal Organization
鈥?1K: 128 x 8 or 64 x 16
鈥?2K: 256 x 8 or 128 x 16
鈥?4K: 512 x 8 or 256 x 16
3-wire Serial Interface
2 MHz Clock Rate (5V)
Self-timed Write Cycle (10 ms max)
High Reliability
鈥?Endurance: 1 Million Write Cycles
鈥?Data Retention: 100 Years
8-lead PDIP and 8-lead JEDEC SOIC Packages
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
3-wire Serial
Automotive
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)
Description
The AT93C46/56/66 provides 1024/2048/4096 bits of serial electrically erasable pro-
grammable 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 automotive applica-
tions where low power and low voltage operations are essential. The AT93C46/56/66
is available in space-saving 8-lead PDIP and 8-lead JEDEC SOIC packages.
Pin Configurations
Pin Name
CS
SK
DI
DO
GND
VCC
ORG
DC
Function
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power Supply
Internal Organization
Don鈥檛 Connect
8-lead SOIC
8-lead PDIP
AT93C46
AT93C56
AT93C66
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
DC
ORG
GND
CS
SK
DI
DO
1
2
3
4
8
7
6
5
VCC
DC
ORG
GND
Rev. 3264A鈥揝EEPR鈥?1/02
1

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