28C256 Datasheet 256k 32k X 8 Paged CMOS E2prom

Manufacturer: Atmel (now Microchip Technology)

Overview: AT28C256.

Datasheet Details

Part number	28C256
Manufacturer	Atmel (now Microchip Technology)
File Size	762.46 KB
Description	256K 32K x 8 Paged CMOS E2PROM
Datasheet	28C256_ATMELCorporation.pdf

The AT28C256 is a high-performance Electrically Erasable and Programmable Read Only Memory.

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 150 ns with power dissipation of just 440 mW.

Fast Read Access Time - 150 ns Automatic Page Write Operation Internal Address and Data Latches for 64-Bytes Internal Control Timer Fast Write Cycle Times Page Write Cycle Time: 3 ms or 10 ms Maximum 1 to 64-Byte Page Write Operation Low Power Dissipation 50 mA Active Current 200 µA CMOS Standby Current Hardware and Software Data Protection DATA Polling for End of Write Detection High.

Part Number	Description	Manufacturer
28C256	5 Volt / Byte Alterable E2PROM	Xicor
28C256	32K-Bit Parallel E2PROM	Catalyst
28C256T	256K EEPROM (32K x 8-Bit) EEPROM	Maxwell Technologies

Part Number	Description
28C64	64K 8K x 8 CMOS E2PROM
28C64B	Parallel EEPROM