James Newton wrote:
> I'm forwarding this question for a friend of mine who is looking at
> retrofitting an existing product for lower power operation. The budget
> simply doesn't allow for code re-write at this point so the current chip
> MUST be used.
>
> Question for the PIC list:  Will the PIC16F57 run at 12 mHZ at 3.3 volts?
> Probably yes, but at what level of reliability?  Has this been done in
> PRODUCTION systems?  How many in the field, and what level of returns for
> non-operation?  (sort of a validation question).
>
>   
12Mhz is too fast at 3.3V. A few devices MIGHT work, but startup 
reliability will be bad. Even running
at 4.0V would improve things quite a bit. You're gonna have to run at 
8Mhz or less.

--Bob Axtell
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