Well, after reading some of Microchip's 3V documentation I see now what the
rationale is, and its exactly as you say Marcel.  Its driven by the fab
process.

I think now the task at hand for me is to figure out how to work with
getting 5V devices to mingle with a 3.3V PIC24.

Regards,
Bob

On 9/20/06, Marcel Duchamp <marcel.duchamp@sbcglobal.net> wrote:
>
> Bob J. wrote:
> > Why would Microchip not produce 5V versions of these devices?  In
> > applications where low power consumption is not a requirement I can't
> see
> > why one would want to migrate their designs to 3V unless I'm missing
> > something.
>
> Say this slow and deliberately:
> "Mr. Anderson;  that is the sound of inevitability"
> (from The Matrix I)
>
> What do chip fabs want? Better yield.
> What (in general) gives better yield? Smaller feature sizes.
> What do (in general) smaller geometries have in common? Lower voltages.
> Do you see a trend here?  I thought so.
>
> It's unfortunately as inevitable as the move to impossible-to-solder
> packages.
>
> I'm with you Bob, let's stop progress now and keep it easy!  The current
> bane of my life?  BGA parts.  We pay for xray examination and they still
> have problems.
>
> I guess it's called "modern life"... the more it changes, the faster it
> changes.
>
>
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