bit slice chips (was Re: Harris H800 Computer)

Noel Chiappa jnc at
Sat Apr 23 07:41:30 CDT 2016

    > From: Brent Hilpert

    > I'd say the 74181 (1970) deserves a mention here. Simpler (no register
    > component, ALU only) but it pretty much kicked off the start of
    > IC-level bit slicing.

Yes, it was used in quite a few machines. Among the PDP-11's alone, it is
found in the -11/45, /05, /40, /04 and /34, to name a few that I checked
quickly, and almost certainly others too (e.g. /70).


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