Technical Specification
 

Introduction date:  Technology:  Category:  ROM:  RAM:  Timers/Event Counters:  Interrupts:  Instructions:  Temperature:  Power Dissipation:    History:     1980 High performance HMOS Process 8 Bit control oriented Microcomputer 4k x 8 128 x 8 Bit 2 x 16 Bit 5 111 (64 Single cycle) -40 - 85°C 1,5 Watt The 8051 is a part of the MCS-51 family.

C8051E (D)	D80C51BH	KU80C51SL
USA, 8047 extremely rare piece!	Malaysia, 8639	Malaysia

P8051AH	P8051AH	P8051AHP
Malaysia, 8436	Malaysia	Malaysia

N80C51BH	N80C51BH	N80C51GB
QC1, REV.3E	IBM part nr.	Q8283, Engineering Sample

Core picture of the C8051E click here for HiRes. picture

Datasheet 8051.pdf     1,1MB

8051 Pin out