XM20C64-55 Datasheet and XM20C64-55 manual

Manufacturer : Xicor 

Packing : DIP28C module 

Pins : 28 

Temperature : Min 0 °C | Max 70 °C

Size : 65 KB

Application : 64K (8K x 8) High-speed AUTOSTORE NOVRAM 

XM20C64-55 PDF Download