AT29C256-90JC Datasheet PDF - ATMEL

●Description

●The AT29C256 is a five-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.

●Features

●• Fast Read Access Time – 70 ns

●• 5-volt Only Reprogramming

●• Page Program Operation

●– Single Cycle Reprogram (Erase and Program)

●– Internal Address and Data Latches for 64 Bytes

●• Internal Program Control and Timer

●• Hardware and Software Data Protection

●• Fast Program Cycle Times

●– Page (64 Byte) Program Time – 10 ms

●– Chip Erase Time – 10 ms

●• DATAPolling for End of Program Detection

●• Low-power Dissipation

●– 50 mA Active Current

●–300 µA CMOS Standby Current

●• Typical Endurance > 10,000 Cycles

●• Single 5V ±10% Supply

●• CMOS and TTL Compatible Inputs and Outputs

●• Commercial and Industrial Temperature Ranges