bit slice chips (was Re: Harris H800 Computer)

Jon Elson elson at
Sat Apr 23 18:10:03 CDT 2016

On 04/23/2016 04:34 PM, Brent Hilpert wrote:
>> The interesting thing was that there seemed to be a distrust of LSI
>> chips early on.  I recall working on a project around 1973, where the
>> lead engineer preferred to design his own UART from SSI rather than use
>> one of the new UART chips.
Well, he may have been worried about availability, or 
possibly the part going obsolete.
Those are other issues that a designer might be concerned 
about, as well as reliability.


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