AT89C1051U-24PC Similar

AT89C1051U-24PC Datasheet and AT89C1051U-24PC manual

Manufacturer : Atmel 

Packing : plastic PDIP 

Pins : 20 

Temperature : Min 0 °C | Max 70 °C

Size : 221 KB

Application : 8-bit microcontroller with 1K bytes flash, 4.0V to 6.0V power supply 

AT89C1051U-24PC PDF Download