Interesting finds; 1801, National Semiconductor RM-665, Grid,HPs..

From: Eric Smith <eric_at_brouhaha.com>
Date: Sun Apr 23 18:44:19 2000

I wrote:
> The databook indicated that the 1801 is a two-chip set, which consists of
> the CDP1801C and CDP1801R, the former containing the control circuitry and
> that latter containing the registers. Apparently RCA designed it as a
> production prototype, and did not intend it for commercial use, instead
> recommending that customers design in the 1802 which was due out soon
> thereafter.

Allison wrote:
> Not quite true. the pair were used by special customers for quite a while
> as they were by basic construction rad hard.

That's not inconsistent with what I wrote. Rad-hard parts are not considered
"commercial" use.
Received on Sun Apr 23 2000 - 18:44:19 BST