AT28HC256-90JC Datasheet and AT28HC256-90JC manual

Manufacturer : Atmel 

Packing : PLCC 

Pins : 32 

Temperature : Min 0 °C | Max 70 °C

Size : 800 KB

Application : 256(32K x 8) high speed CMOS EPROM 

AT28HC256-90JC PDF Download