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AT28LV64B fiches techniques PDF

ATMEL Corporation - 64K 8K x 8 Low Voltage CMOS E2PROM with Page Write and Software Data Protection

Numéro de référence AT28LV64B
Description 64K 8K x 8 Low Voltage CMOS E2PROM with Page Write and Software Data Protection
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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AT28LV64B fiche technique
AT28LV64B
Features
Single 3.3V ± 10% Supply
3-Volt-Only Read and Write Operation
Software-Protected Programming
•• Low Power Dissipation
15 mA Active Current
20 µA CMOS Standby Current
Fast Read Access Time 200 ns
Automatic Page Write Operation
Internal Address and Data Latches for 64-Bytes
Internal Control Timer
Fast Write Cycle Times
Page Write Cycle Time: 10 ms Maximum
1 to 64-Byte Page Write Operation
DATA Polling for End of Write Detection
•• High Reliability CMOS Technology
Endurance: 10,000 Cycles
Data Retention: 10 Years
JEDEC Approved Byte-Wide Pinout
•• Commercial and Industrial Temperature Ranges
Description
The AT28LV64B is a high-performance electrically erasable programmable read only
memory (EEPROM). Its 64K of memory is organized as 8,192 words by 8 bits. Manu-
factured with Atmel’s advanced nonvolatile CMOS technology, the device offers ac-
cess times to 200 ns with power dissipation of just 54 mW. When the device is dese-
lected, the CMOS standby current is less than 20 µA.
The AT28LV64B is accessed like a static RAM for the read or write cycle without the
need for external components. The device contains a 64-byte page register to allow
Pin Configurations
(continued)
Pin Name
A0 - A12
CE
OE
WE
I/O0 - I/O7
NC
DC
Function
Addresses
Chip Enable
Output Enable
Write Enable
Data Inputs/Outputs
No Connect
Don’t Connect
PDIP, SOIC
Top View
64K (8K x 8)
Low Voltage
CMOS
E2PROM with
Page Write and
Software Data
Protection
AT28LV64B
PLCC
Top View
TSOP
Top View
Note: PLCC package pins 1 and
17 are DON’T CONNECT.
0299C
2-135

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