X28HC64SM-70 Datasheet and X28HC64SM-70 manual

Manufacturer : Xicor 

Packing : SOIC28P 

Pins : 28 

Temperature : Min -55 °C | Max 125 °C

Size : 123 KB

Application : 64K (8K x 8bit) 5 volt, byte alterable E2PROM 

X28HC64SM-70 PDF Download