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.

> -----Original Message-----
> From: Andy Gulliver [mailto:[EMAIL PROTECTED]]
> Sent: Wednesday, March 28, 2001 6:52 AM
> Subject: Re: [PEDA] Reference
<snip>
> Unused inputs should ideally be pulled to Vdd via a suitable resistor
> (opinions vary, but 10k-100k should suffice).  A number of inputs can be
> linked and pulled up by the same resistor to cut the number of resistors
> needed (if cost/space is critical) but watch out for pull-up traces
running
> long distances...

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