MSM81C55-5RS Similar

MSM81C55-5RS Datasheet and MSM81C55-5RS manual

Manufacturer : OKI 

Packing : DIP 

Pins : 40 

Temperature : Min -40 °C | Max 85 °C

Size : 171 KB

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

MSM81C55-5RS PDF Download