"Alan B. Pearce" wrote:

> >I am sure if you read the fine print, somewhere in Microchip's (and in
> >other manufacturers) documentation you'll find similar warnings too.
>
> I remember that National Semiconductor has had, for far more years than I
> can remember, a disclaimer in their data books and data sheets that their
> products are not for use in life support products or other critical
> applications, without written consent from National Semiconductor. I suspect
> they were setting out to head off any possible law suit due to a medical
> instrument malfunctioning, causing death.

That is a part of the reason. The FDA has specific rules for approving
devices that contain unapproved parts. Essentially a different testing
requirement kicks in. By saying that they specifically are saying they
haven't tested according to FDA requirements headed off some nasty
potential liability issues (US 1% rule) and forced there customers
to add more testing.

For the average PIC (small microprocessor of any stripe) be glad they
have this disclaimer because potential life threatening liability would
add a significant amount to a sub $1.00 part.


w..



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