>> And yes, Microchip does recommend variable Vdd for verification of some
>> parts.  They make a point of distinguishing between "prototype" and
>> "production" programmers, with the latter verifying at the Vdd limits.
>
> Can you give an example of a flash PIC where M'chip recommends this?
> I looked through the programming specs once, and only found this
> distinction for PROM based chips.  Admittedly, my search wasn't
> exhaustive.

I was recently looking thru a 16F84 programming spec of all things and I saw
that message.  It was in most programming specs when I started designing
programmers, so look for chips like the 16F877.


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