AT89C55WD-24PI Similar

AT89C55WD-24PI Datasheet and AT89C55WD-24PI manual

Manufacturer : Atmel 

Packing : PDIP 

Pins : 40 

Temperature : Min -40 °C | Max 85 °C

Size : 305 KB

Application : 8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.0V to 5.5V, 24 MHz 

AT89C55WD-24PI PDF Download