MSM534052E Datasheet and MSM534052E manual

Manufacturer : OKI 

Packing : DIP 

Pins : 40 

Temperature : Min 0 °C | Max 70 °C

Size : 84 KB

Application : "262,144-words x 16-bit or 524,288-bytes x 8-bit Mask ROM" 

MSM534052E PDF Download