Re: cPLDs and FPGAs we've known and loved (or hated)

On Feb 4, 10:08 am, Winfield <winfieldh...@xxxxxxxxx> wrote:
 We're making the tables for AoE 3rd-ed chapter 11, the
 2nd digital chapter, in which cPLDs and FPGAs are
 discussed.  What are your favorite companies and parts,
 the ones you always use, and what are the ones you used
 to use but stopped (and why), and what are the parts you
 steer clear of?  What about cPLD vs FPGAs?  Opinions?
 What method(s) do you use to design the parts?  Thanks!

Least favorite PLDs are Almel "Zero Power" (CZ suffix) parts. I've
found (the hard way!) 3 or 4 different ways you can avoid having the
internal circuitry "light up" on input signal transitions the way the
spec *** sez they're supposed to! One of these "discoveries"
occaissioned the largest volume field refit I've had to do in my life,
to date....

W Letendre
.

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