> Yes, there is only 10mA flowing, so yes the PICs internal protection
> diode will operate and likely safely prevent any damage, and yes the
> PIC probably wont latch up or do anything strange

Brent, you might likely probably ;-) be right, but I've learned from
experience that even the briefest of out-of-spec transients can royally
and permanently stuff a PIC

Not having a pop at the OP, but I'm sick and tired of seeing penny-
pinching that causes the end user more than a diode's-worth of hassle
and inconvenience. So many products that fail if you even look at them
the wrong way, and I wonder "why did they bother ?" The design, the
putting together, the packaging, the marketing, the freight, the etc etc,
and at the end of it all a piece of cheap junk

David, at least do a few tests and assess the risk. You might be surprised,
might not. Would love to know the results

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