Re: Searching for broken PLAs

From: Pete Rittwage <>
Date: Sun, 29 Jul 2012 14:55:30 -0400 (EDT)
Message-ID: <>
On Sun, July 29, 2012 12:48 pm, Gerrit Heitsch wrote:
> On 07/28/2012 09:53 AM, Nicolas Welte wrote:
>> I found an interesting article/interview from two Signetics engineers
>> that worked on the development of the FPLA. Even the Commodore 64 is
>> mentioned in one sentence :) Maybe it's more interesting to read about
>> some technical details of the chip, how other fabs failed (MMI) to
>> second source the chip or got only a bad yield (Fairchield). Also
>> described is an option to do a mask programmed version of the FPLA, but
>> according to the interview no customer made use of them.
>> I found this via the microcontroller forum:
> The funny thing is... Did Commodore ever use the 82S100 in production
> C64 systems? So far I have only seen the 93459PC made by Fairchild in
> any of them.

Yes, I've seen many of them in production machines.


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Received on 2012-07-29 20:00:23

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