UPD43256BGU-A10 Similar

UPD43256BGU-A10 Datasheet and UPD43256BGU-A10 manual

Manufacturer : NEC 

Packing : SOP 

Pins : 28 

Temperature : Min 0 °C | Max 70 °C

Size : 191 KB

Application : 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT 100ns 

UPD43256BGU-A10 PDF Download