vendor
Die IDs
Product
Version
Silicon
Notes
CT1351
202
Intel 80C51
CT1741
405
MHS 80C52
CT1741
412
Signetics 80C52
CT1741
413
Intel
https://docs.google.com/spreadsheets/d/1aLhBRC7yeuQ5J7GvhqMpHjUCUAjUm27tkCzqkMWY3Ik/edit?usp=sharing
Chips
mcmaster:creative-tech:ct1351v202
nats:creative-tech:ct1741-v405
mcmaster:creative-tech:ct1741-v412
mcmaster:creative-tech:ct1971-tdq