[sdiy] Tri-state outputs and CMOS inputs.
davekendall at ntlworld.com
Fri Feb 20 16:56:22 CET 2009
I can't find a definite answer anywhere to this one - Do CMOS inputs
need pull-up/down resistors if connected directly to the outputs of
,say, a 3-state latch - which is not connected to anything else)
In my experiments, it *seems* to work OK, but there are too many
variables in the rest of the circuit to be sure....
My gut feeling is that CMOS inputs *should* need resistors, but it'd be
good to know for definite.
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