20 Oct
1999
20 Oct
'99
10:26 a.m.
Chris Kennedy <chris(a)mainecoon.com> wrote:
I'm convinced Edson DeCastro has a major hard-on
for using OC wire or/wire
and logic;
Tristate didn't exist in the early days of TTL; the only way to do
busses was OC or with muxes. The way this affected the design of PDP-11
CPUs is described at length in _Computer Engineering_.