IDT71256S55TDB Datasheet and IDT71256S55TDB manual

Manufacturer : IDT 

Packing : CERDIP 

Pins : 28 

Temperature : Min -55 °C | Max 125 °C

Size : 85 KB

Application : CMOS static RAM 256K (32K x 8-bit) 

IDT71256S55TDB PDF Download