27C256A20FA Datasheet and 27C256A20FA manual

Manufacturer : Philips 

Packing : CDIL 

Pins : 28 

Temperature : Min -40 °C | Max 125 °C

Size : 609 KB

Application : 2-7 V, 256K-bit CMOS EPROM (32Kx8) 

27C256A20FA PDF Download