Quote:
Originally Posted by merlinmaxwell
Almost, 7400 is a quad nand, A=1, B=1 so Q=0, use another of the four to invert the output.
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Ta-da! I've found this, which will simplify things a bit, quand AND, from favourite supplier TI: CD74HC08, an indirect descendant of the original 7400.
I know it's a tiny extra fiddle removed but I think I'll go with it.
http://www.ti.com/lit/ds/symlink/cd74hct08.pdf