PDP-8s and -10s

[Jochen Kunz]

On Thu, 16 Jun 2005 05:53:53 +0100
"Andy Holt" <andyh at andyh-rayleigh.freeserve.co.uk> wrote:

[CDC6600 in a FPGA]
> As the 6600 was entirely built with discrete components, not chips,
> and yet had to be physically relatively compact, I doubt if it had
> much more than say 20,000-25,000 gates. Nowadays that isn't anywhere
> near high end of the FPGA ranges.
I don't know how many gates, but the Book "Design of a Computer CDC6600"
states on page 20: "the entire 6600 Computer contains approximately
400,000 transistors". It used "Direct-Coupled Transistor Logic" so there
where way less then 400,000 gates.
-- 


tschüß,
       Jochen

Homepage: http://www.unixag-kl.fh-kl.de/~jkunz/