CPU design at the gate level

From: ajp166 <ajp166_at_bellatlantic.net>
Date: Fri Nov 2 21:43:07 2001

From: Ben Franchuk <bfranchuk_at_jetnet.ab.ca>
>74x00's are still common - I still can get that at Radio-shack for $2.00
>in a bubble
>package here in Canada. It is rare chips ALU's, carry look aheads, 16x4
>memory
>that you can't find. The $.10 surplus TTL days are long gone. Ben
>Franchuk.



Good thing too as most of the surplus parts were off spec... I was burned
a few times back when.

At least three vendors have most of the TTL line, JDR being one.

I might add that in '73 I did a TTL design, finding many of the chips
that
were in the books was a task as many were unobtainium.

Allison
Received on Fri Nov 02 2001 - 21:43:07 GMT