🚀 go-pugleaf

> Get with it, guy! Where have you been the last six or so years? Use a
> PAL. TTL is obsolete and dead. For high speed, PALs come in D
> varieties which run at about 10 nS, and that gives you a trip through
> an AND-OR plane. For low cost, the plastic PALs are amazingly cheap.
> New PALs provide buried state registers for implementing synchronous
> state machines. Programmable polarity outputs mean an end to
> DeMorganing equations. There are many new innovations such as UV
> erasable, EE erasable, RAM programmed (great for debugging), *large*
> arrays, programmable sequencers etc.  All designers should have PALs
> as part of their collection of tools.

Love to.  Will you write a cheque for the $25,000 or so I need to add all
these goodies to my basement shop?  PAL programmers are not at all cheap,
especially ones that will program the latest-and-greatest.  (You generally
can't try to homebrew, even if you're competent, because most of the PAL
suppliers don't tell you how to program them.)  I won't even mention bozos
like Altera that make wonderful-sounding chips -- big arrays of logic, CMOS
so the power is manageable, fast, and UV erasable -- but package them as a
"pig in a poke" deal with their own CAD software and their own programming
hardware...
-- 
Legalize			Henry Spencer @ U of Toronto Zoology
freedom!			{allegra,ihnp4,decvax,pyramid}!utzoo!henry