At 03:12 PM 2/1/2003 -0700, you wrote:

>There are some people on the list that design down-hole instrumentation and
>they can tell you how hot their stuff gets.  One interesting thing: they
>can't use Flash parts.  Only the eprom based PICs work when they get that hot.

And above that, mask ROM parts. There are some 8051 parts characterized for
 >200'C operation (up to 300'C, IIRC). Lifetime is measured in hours.

Best regards,

Spehro Pefhany --"it's the network..."            "The Journey is the reward"
speff@interlog.com             Info for manufacturers: http://www.trexon.com
Embedded software/hardware/analog  Info for designers:  http://www.speff.com

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