AT89C51-20QC Similar

AT89C51-20QC Datasheet and AT89C51-20QC manual

Manufacturer : Atmel 

Packing : PQFP 

Pins : 44 

Temperature : Min 0 °C | Max 70 °C

Size : 141 KB

Application : "8-bit microcontroller with 4K bytes flash, 5V, 20MHz" 

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