Intel 4040 Family
C4040
4 bit CPU
Enhanced 4004
740kHz
White ceramic
Week 14 1975
N5364



D4040
4 bit CPU
Enhanced 4004
740kHz
Ceramic
Week 50 1981
Philippines



C4040ES
4 bit CPU
Enhanced 4004
740kHz
White ceramic
Eng sample
Week 4 1975



P4040
4 bit CPU
Enhanced 4004
740kHz
Plastic
Week 38 1980
Philippines



C4040ES
4 bit CPU
Enhanced 4004
740kHz
Ceramic
Eng sample
Week 5 1975
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