On Fri, 16 Jan 1998 13:09:01 -0500, you wrote:

>I hope this reply answers the PIC's wide temperature operation
>questions.
>
>
>What will happen if you operate the PIC over a higher temperature range?
>
>The lower temperature is not critical because there are no common
>failure elements that cause permanent damage. A PIC will just stop
>normal operation, if a transistor runs out of drive or a resistor bias
>point changes because of a parameter change with temperature.
>
>The higher temperature is critical. There are two major failure
>mechanisms that will cause permanent IC failure: current leakage and
>metal migration.
>
What about corruption of program/data stored in Eprom / EEProm - not
really 'permanent failure', but equally drastic in practice - Is this
a significant risk compared to the other 2  issues you detailed ?
  
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   _/ L_/  Mike Harrison / White Wing Logic / wwl@netcomuk.co.uk  _/ L_/
 _/ W_/  Hardware & Software design / PCB Design / Consultancy  _/ W_/
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