WPS512K8LT-85RM Datasheet and WPS512K8LT-85RM manual

Manufacturer : White Electronic 

Packing : TSOP II 

Pins : 32 

Temperature : Min -55 °C | Max 125 °C

Size : 279 KB

Application : "512K x 8 SRAM, 85ns" 

WPS512K8LT-85RM PDF Download