AT89C55WD-33AC Similar

AT89C55WD-33AC Datasheet and AT89C55WD-33AC manual

Manufacturer : Atmel 

Packing : TQFP 

Pins : 44 

Temperature : Min 0 °C | Max 70 °C

Size : 305 KB

Application : 8-bit microcontroller with 20K bytes flash, 256 x 8-bit internal RAM, 4.5V to 5.5V, 33 MHz 

AT89C55WD-33AC PDF Download