CPU design at the gate level

From: Peter C. Wallace <pcw_at_mesanet.com>
Date: Wed Oct 31 17:13:10 2001

On Wed, 31 Oct 2001, John Allain wrote:

> Chuck said:
> > DTL -> TTL -> LSI -> FPGA

Hey where's RTL? 914's, 923's etc etc

>
> Sure I'm familliar with the concept, but only from
> an overview standpoint. Just what is it with DTL vs
> TTL anyway? Why didn't they use TTL from the
> start? Was it a eureka genius thing or did it take
> advanced transistors to make it possible?
> A quick answer would suffice, we got too much
> bandwith as it is.

I suspect TTL was harder to fabricate

There was non-integrated RTL and DTL logic before ICs not sure about non
integrated TTL...


>
> John A (software guy)
> This question for me dates back to the early 80's
>
>
>
>
>



Peter Wallace
Received on Wed Oct 31 2001 - 17:13:10 GMT