AT93C46-10C ATMEL Corporation, AT93C46-10C Datasheet
AT93C46-10C
Manufacturer Part Number
AT93C46-10C
Description
1k (128x8 or 64x16),2k (256x8 or 128x16),4k (512x8 or 256x16) 3-wire Serial EePROMs
Manufacturer
ATMEL Corporation
Datasheet
1.AT93C46-10C.pdf
(19 pages)
Features
•
•
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•
•
•
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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 industrial and com-
mercial applications where low power and low voltage operations are essential. The
AT93C46/56/66 is available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead
EIAJ SOIC, 8-lead MAP and 8-lead TSSOP packages.
Pin Configurations
Pin Name
CS
SK
DI
DO
GND
VCC
ORG
DC
Low-voltage and Standard-voltage Operation
User-selectable Internal Organization
3-wire Serial Interface
2 MHz Clock Rate (5V)
Self-timed Write Cycle (10 ms max)
High Reliability
Automotive Grade, Extended Temperature and Lead-Free Devices Available
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead MAP and 8-lead TSSOP
Packages
VCC
DC
CS
SK
– 2.7 (V
– 2.5 (V
– 1.8 (V
– 1K: 128 x 8 or 64 x 16
– 2K: 256 x 8 or 128 x 16
– 4K: 512 x 8 or 256 x 16
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
(1K JEDEC Only)
8-lead SOIC
Rotated (R)
1
2
3
4
CC
CC
CC
Function
Chip Select
Serial Data Clock
Serial Data Input
Serial Data Output
Ground
Power Supply
Internal Organization
Don’t Connect
= 2.7V to 5.5V)
= 2.5V to 5.5V)
= 1.8V to 5.5V)
8
7
6
5
ORG
GND
DO
DI
ORG
GND
VCC
DC
Bottom View
8-lead MAP
8
7
6
5
1
2
3
4
CS
SK
DI
DO
DO
CS
SK
DI
DO
CS
SK
DI
8-lead SOIC
8-lead PDIP
1
2
3
4
1
2
3
4
DO
CS
SK
DI
8
7
6
5
8-lead TSSOP
1
2
3
4
8
7
6
5
VCC
DC
ORG
GND
VCC
DC
ORG
GND
(continued)
8
7
6
5
VCC
DC
ORG
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
AT93C66
Rev. 0172S–SEEPR–01/03
1
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