bit slice chips (was Re: Harris H800 Computer)
elson at pico-systems.com
Sat Apr 23 10:38:20 CDT 2016
On 04/23/2016 07:41 AM, Noel Chiappa wrote:
> > 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).
The 11/45 and 11/70 are mostly the same processor.
Definitely, the data paths boards and FPU are the same part
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