AT89S53-16AA Similar

AT89S53-16AA Datasheet and AT89S53-16AA manual

Manufacturer : Atmel 

Packing : plastic TQFP 

Pins : 44 

Temperature : Min -40 °C | Max 105 °C

Size : 518 KB

Application : 8-Bit microcontroller with 12K bytes flash, 16MHz, 4.0V to 6.0V 

AT89S53-16AA PDF Download