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AT29LV256-25PI fiches techniques PDF

ATMEL Corporation - 256K 32K x 8 3-volt Only CMOS Flash Memory

Numéro de référence AT29LV256-25PI
Description 256K 32K x 8 3-volt Only CMOS Flash Memory
Fabricant ATMEL Corporation 
Logo ATMEL Corporation 





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AT29LV256-25PI fiche technique
AT29LV256
Features
Single Supply Voltage, Range 3V to 3.6V
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
•• Sector Program Operation
Single Cycle Reprogram (Erase and Program)
512 Sectors (64 bytes/sector)
Internal Address and Data Latches for 64-Bytes
Fast Sector Program Cycle Time - 20 ms Max.
Internal Program Control and Timer
DATA Polling for End of Program Detection
Typical Endurance > 10,000 Cycles
CMOS and TTL Compatible Inputs and Outputs
•• Commercial and Industrial Temperature Ranges
Description
The AT29LV256 is a 3-volt-only in-system Flash Programmable Erasable Read Only
Memory (PEROM). Its 256K of memory is organized as 32,768 words by 8 bits.
Manufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers
access times to 200 ns with power dissipation of just 54 mW over the commercial
temperature range. When the device is deselected, the CMOS standby current is less
than 20 µA. The device endurance is such that any sector can typically be written to
in excess of 10,000 times.
(continued)
256K (32K x 8)
3-volt Only
CMOS Flash
Memory
Pin Configurations
Pin Name Function
A0 - A14 Addresses
CE Chip Enable
OE Output Enable
WE Write Enable
I/O0 - I/O7 Data Inputs/Outputs
NC No Connect
DC Don’t Connect
PLCC Top View
AT29LV256
TSOP Top View
Type 1
0563A
4-33

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