Chip operating temperatures

[Bruce Bowling]

> 
> At 08:59 PM 9/24/96 EST, you wrote:
> >  IC chips for automotive use are generally specified as having operating 
> >temperatures from -40 deg C to 125 or 150 deg C.  The 68332 chips bought in
> the 
> >group pcb buy were rated 0 deg C to 70 deg C (32 deg F to 158 deg F).  I'm
> sure 
> >these are ok for prototypes, but is anyone concerned about them lasting 50-100 
> >k miles in a real environment ?
> >
> 
> I mentioned this problem a while ago. The solution became to not mount the
> processor under the hood. Not the best, but solves much of the heat problem.
> Even that still can be on the edge of the temperature extreems. 
> 
> 
> Sandy
> 
> 
But what about temperatures below zero degrees? Here in the mid-atlantic
area of the U.S., there are plenty of mornings where I have to scrape
off the frost from the windshield, or replace the radiator because
I forgot to add anti-freeze. Will the chips works in the cold region
properly?

- Bruce


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                 Bruce A. Bowling
                 Staff Scientist
   Thomas Jefferson National Accelerator Facility
    12000 Jefferson Ave - Newport News, VA 23602
                 (804) 249-7240
bowling at cebaf.gov  http://devserve.cebaf.gov/~bowling
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