MOS Technology 6502
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The MOS Technology 6502 is an 8-bit microprocessor that was designed by a small team led by Chuck Peddle for MOS Technology and was launched in September 1975. The design team had formerly worked at M
6502 processor in a DIP-40 plastic package. The four-digit date code indicates it was made in the 45th week (November 4–10) of 1985.
Motorola 6800 demonstration board built by Chuck Peddle and John Buchanan in 1974
A 1973 MOS Technology advertisement highlighting their custom integrated circuit capabilities
MOS Technology MCS6501, in white ceramic package, made in late August 1975
WDC 65C02
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The Western Design Center 65C02 microprocessor is an enhanced CMOS version of the popular nMOS-based 8-bit MOS Technology 6502. It uses less power than the original 6502, fixes several problems, and a
MOS Technology 6502
…by Rockwell and Synertek, and later licensed to other companies. In 1981, the Western Design Center started development of a CMOS version, the 65C02. This continues to be widely used in embedded systems, with estimated production volumes in the hundreds of millions. Motorola started the 6800…
W65C02S microprocessor in a PDIP-40 package
Die photograph of a Sitronix ST2064B microcontroller showing embedded W65C02S core in the upper right