On December 11, jpero_at_sympatico.ca wrote:
> That rate, if Sridhar is looking at sub 5ns pin-pin, he's looking
> at around 50 to 100MHz. Just my SWAG. FYI: PII 233 has 7ns
> sync-sram cycling at 133MHz.
>
> If true, that would be blisteringly fast PDP11/70 on size of a small
> 12" x 12" board roughly.
>
> That means putting in certain lengths of critcial traces to get
> timing come together at right moment (hence the zig-zag traces), low
> voltage swings, 2 levels of caches, etc.
>
> Blatent easy way out is emulate that 11/70 on athlon XP 1900+. :-)
> Smack me if you dare. :-)
Oh, puh-YUKE!!
-Dave
--
Dave McGuire
St. Petersburg, FL
Received on Tue Dec 11 2001 - 20:54:53 GMT