MSM514265CSL-50JS Datasheet and MSM514265CSL-50JS manual

Manufacturer : OKI 

Packing : SOJ 

Pins : 40 

Temperature : Min 0 °C | Max 70 °C

Size : 292 KB

Application : "262,144-word x 16-bit dynamic RAM" 

MSM514265CSL-50JS PDF Download