1802 problems

[Pete Turnbull]

On Jan 2 2006, 10:13, Tim Shoppa wrote:
> Pete Turnbull <pete at dunnington.plus.com> wrote:
> > It was used because there was a rad-hard silicon-on-sapphire
version,
> > and then some people used the standard versions so they could use
the
> > same code and tools.
>
> Up until just a few years ago (2002?), Harris/Intersil web pages
listed the
> SOS 1802 as a current product, along with more conventional CMOS
1802's
> and support chips.

I'm not so sure they were really available, though.  Take a look at
http://www.amsat.org/amsat/articles/g3ruh/124.html

> If I have the chronology right, Harris bought much of RCA's line in
> the 90's and Intersil bought them out a few years later.
>
> But they've been dropping a lot of classic parts (including the
CA3046,
> which I never believed would go out of style! There are newer
> surface-mount differential pairs of course but not quite the same
> as the good old CA3046 in a can...) Many of the hobbyist-oriented
> retailers still have plenty of old stock though.
>
> What 70's era micros are still in production? Z80, I'm sure. 8088,
probably
> (although probably not in an Intel fab.) Anything else?

I was going to say I thought the Z80 was no longer in production,
although some of the descendants are.  However, Zilog still show
several 40-pin DIL and 44-pin PLCC versions as active.

Intel still list a couple of members of the MCS-48 family and sell
modern versions of the 8051 for automotive applicatons.  I think MCS-51
is mid-1980s though.



-- 
Pete						Peter Turnbull
						Network Manager
						University of York