MSM81C55-5JS Datasheet and MSM81C55-5JS manual

Manufacturer : OKI 

Packing : QFJ 

Pins : 44 

Temperature : Min -40 °C | Max 85 °C

Size : 171 KB

Application : 2048-bit CMOS static RAM with I/O ports and timer 

MSM81C55-5JS PDF Download