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Related Atmel Datasheets

Part Number Description
AT29C256 256K 32K x 8 5-volt Only CMOS Flash Memory
AT29C010 1 Megabit 128K x 8 5-volt Only CMOS Flash Memory
AT29C010A 1 Megabit 128K x 8 5-volt Only CMOS Flash Memory
AT29C020 2-Megabit 256K x 8 5-volt Only CMOS Flash Memory
AT29C040A 4-Megabit 512K x 8 5-volt Only 256-Byte Sector CMOS Flash Memory

AT29C257 Description

The AT29C257 is a 5-volt-only in-system Flash programmable and 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 70 ns with power dissipation of just 275 mW.

AT29C257 Key Features

  • Fast Read Access Time
  • 70 ns 5-Volt-Only Reprogramming Page Program Operation Single Cycle Reprogram (Erase and Program) Internal Address and D
  • 10 ms Chip Erase Time