Jinx <PICLIST@MITVMA.MIT.EDU> wrote:

> > > All F84's come off the same wafer and are tested for speed
> > > performance. An -04 is one that doesn't meet -10 specs, it may
> > > even run at 9.5MHz, but not 10MHz.
> >
> > Um, no.  It's a small disctinction, but an important one:  A -10
> > part DOES meet the -10 specs, but a -04 doesn't necessarily FAIL
> > to meet them.
>
> a part that meets -10 specs should be a -10 part. What reason would
> there be to reject it ?

Jinx:

The reason's simple:  If Microchip tested all parts at 4 and 10 MHz,
then labeled each according to the highest-speed spec it met, they'd
have warehouses full of unwanted -10s while -04s would be back-
ordered for years.

-Andy


=== Andrew Warren - fastfwd@ix.netcom.com
=== Fast Forward Engineering - San Diego, California
=== http://www.geocities.com/SiliconValley/2499