AT28HC256-12SI Datasheet and AT28HC256-12SI manual

Manufacturer : Atmel 

Packing : SOIC 

Pins : 28 

Temperature : Min -40 °C | Max 85 °C

Size : 489 KB

Application : 256 (32K x 8) high speed parallel EEPROM, 120ns 

AT28HC256-12SI PDF Download