i spent a bunch of time trying to figure out why my 74LS20 wasn't being a dual 4-input NAND gate
turns out that was a date code, and it was some other chip entirely
1974 was a terrible year for 74xx series TTL chips
yes, i am old :-)
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i spent a bunch of time trying to figure out why my 74LS20 wasn't being a dual 4-input NAND gate
turns out that was a date code, and it was some other chip entirely
1974 was a terrible year for 74xx series TTL chips
yes, i am old :-)