Issue with the 7474 dual D flip flop doesn't reset on CLR low and PR high
Issue with the 7474 dual D flip flop doesn't reset on CLR low and PR high
Just fix it!
8
votes
Anonymous
shared this idea
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Kenji
commented
7474 is not work as expect.
Hello Developer, please look here
https://assets.nexperia.com/documents/data-sheet/74AHC_AHCT74.pdf -
Colin Reynolds
commented
7474 preset and clear don’t work properly. There’s no way to clear the flip-flop...preset = 0 and clear =1 doesn’t set q to 0 (both are active low. Also, both preset and clear = 0 should set both q and q’ (=1) on the 7474...