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AN-007: 65xx Replacements Cross Reference


The Western Design Center is proud of our long heritage for those searching to replace older devices we have compiled this guide as a reference to aid in the transition to the 65xx source.



65xx Replacements Cross Reference
Part Number Manufacturer
W65C02S The Western Design Center
6502 MOS Technology
G65SC02 CMD / GTE
R6502 Rockwell
R65C02 Rockwell
   
W65C22S The Western Design Center
6522 MOS Technology
G65C22 CMD/GTE
R6522 Rockwell
R65C22 Rockwell
R65NC22 Rockwell
   
W65C21S The Western Design Center
6521 MOS Technology
6820 AMI
6821 AMI
EF6821 ST Micro.
G65SC21 CMD/GTE
HD6321 Hitachi
HD6821 Hitachi
M6820 Motorola
M6521 Motorola
R6520 Rockwell
R6521 Rockwell
R65C21 Rockwell
   
W65C51S The Western Design Center
6551 AMI
6551 MOS Technology
6551 Synertek
CDP65C51 Harris
G65SC51 CMD/GTE
R6551 Rockwell
R65C51 Rockwell




  
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2166 E. Brown Rd. Mesa, Arizona 85213
phone: 480 962-4545, fax: 480 835-6442

Last updated 01/05/2021
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