> >I don't know what "-ve logic" is.
>
> I have always understood negative (-ve) logic to be the state where 0
volts
> = true or logic 1, and positive (+ve) logic to be when the high voltage
> (i.e. > 3 volts for ttl levels) = true or logic 1.

I've heard this called "inverted" or "negative" logic, although those terms
are a bit vague.  What does the "VE" stand for?  Is that a standard term?


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