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1970s microprocessor chronology
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The 1970s brought the microprocessor revolution with smaller, faster, and cheaper integrated circuits.

Year Qt Intel National NEC Rockwell Motorola Toshiba Mostek GI AMI Hitachi Fairchild TI
1971 1Q PPS-25
2Q
3Q
4Q 4004
1972 1Q 8008
2Q PPS-4
3Q
4Q
1973 1Q IMP-16 NEC uPD751
2Q T3472[note1 1]
3Q μCOM 4
4Q
1974 1Q 8080 IMP-8 5065 TMS1000
2Q 6800 T3190
3Q 3000 CP1600
4Q 4040 IMP-4
1975 1Q 9209 HD35404
2Q
3Q PPS-4/2
4Q
  1. Exact release date is unknown