Newsgroups: sci.electronics
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: PAL's vs gates
Message-ID: <1990Feb3.203619.21593@utzoo.uucp>
Organization: U of Toronto Zoology
References: <358@poppy.warwick.ac.uk> <26516@cup.portal.com>
Date: Sat, 3 Feb 90 20:36:19 GMT

In article <26516@cup.portal.com> mmm@cup.portal.com (Mark Robert Thorson) writes:
>For a person without a programmer, the Logic Cell Array (LCA) family from
>Xilinx comes to mind.  They're more like little gate arrays than they are
>like PAL's.  Their configuration bits are static RAM cells programmed using
>any of a number of modes [external EPROMS, downloading, daisy-chaining]

Unfortunately, a person without a programmer is totally up the creek in
dealing with one of these beasts, because Xilinx will not tell you the
mapping between circuit connections and programming bits.  You have to buy
their programming software, which isn't cheap.
-- 
1972: Saturn V #15 flight-ready|     Henry Spencer at U of Toronto Zoology
1990: birds nesting in engines | uunet!attcan!utzoo!henry henry@zoo.toronto.edu