Dwight Harm wrote:
>
> Is there a reason to prefer Vdd over GND? The spec sheets often just say
> "tied high or low...", and my knowledge of theory is too weak to even guess
> at an answer. :)
> TIA,
> Dwight Harm.
Unused inputs to an otherwise used section of an IC (eg: "unused"
set/clear inputs on a flip-flop) must be connected so that section will
work as intended.
If the section is not used at all, the unused inputs can be connected to
ground or Vcc as convenient. (but I would probably try to connect things
like set and clear to their "inactive" states...)
--
Peter Bennett
TRIUMF
4004 Wesbrook Mall, Vancouver, BC, Canada
GPS and NMEA info and programs:
http://vancouver-webpages.com/peter/index.html
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