It's only a schematic trick to represent an array of transistors in a clear,
concise way. The resistors are pullups. Each bubble represents a pulldown
transistor. Thus a huge NOR gate.
-Chris
On Thu, 11 Sep 2003, Adam Wozniak wrote:
> On Thu, 11 Sep 2003 ecwilkso@xxxxxxx wrote:
> > Those are wire-nor circuits. Sorry...off to a meeting.
> > Btu that should get you started.
>
> Multiple input wired NORs?
> If any one of those inputs goes high, the output goes low?
> How does that work?
> Do those resistors pull up or down?
>
> I think that's enough to let me figure it out on the logic level, but
> I'm still scratching my head on the electrical level.
>
> --
> adam@xxxxxxxxxxxxxxxx http://cuddlepuddle.org/~adam/pgp.html
> Will code for food. http://cuddlepuddle.org/~adam/resume.html
>
> "It seems I'm doomed to have .sigs which nobody can understand."
>
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