bit slice chips (was Re: Harris H800 Computer)

Chuck Guzis cclist at
Fri Apr 22 22:16:35 CDT 2016

On 04/22/2016 07:54 PM, Jecel Assumpcao Jr. wrote:

> I'd add the Texas Instruments SN74S481, SN54LS481 and SN74LS481 TTL
> 4 bit slices. The Schottky version had a 90ns clock cycle and the
> low power versions 120ns. These were 48 pins chips and didn't have
> an internal register bank like the 2901. The idea was that you
> implemented a memory to memory architecture like the TMS9900.

Not exactly bit-slice, but how about the National IMP-16 chip set?


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