Yes that is correct.
Rick

Vasile Surducan wrote:

  Olin, are you sure ?



> On Wed, 16 Oct 2002, Olin Lathrop wrote:
>
> > No, absolutely not!  TTL inputs act as if they have weak pullups in them, so
> > their default open state in a noiseless environment is high.  You definitely
> > don't want to partitially pull a TTL input low because you may end up in the
> > nether region between a 1 and a 0, which can cause all sorts of trouble.
> >
> >

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