X28HT512K-20 Datasheet and X28HT512K-20 manual

Manufacturer : Xicor 

Packing : PGA36 

Pins : 36 

Temperature : Min -25 °C | Max 175 °C

Size : 74 KB

Application : 512K (64K x 8bit) high temperature, 5 volt, byte alterable E2PROM 

X28HT512K-20 PDF Download