> I have a 1985 Intel handbook titled "Components Quality/Reliability
> Handbook".
>=20
> It has charts and tables about things like feature size.  Some of the
> things it says:
>=20
> Feature size in 1970 - 6-12um
> Feature size in 1985 - .8-1.2um
> This is from a graph, and shows a straight line through the years
>=20
> A table refers to "Channel length", and gives the following:
> 1975 - 6um, 2104
> 1977 - 3.5um, 2114A
> 1979 - 2um, 2114B
> 1981 - 1.8um, 2164A
> 1983 - 1.2um, 51C256
>=20
> It also says "MOS RAMs have undergone a thousand-fold increase in
> density in the past 15 years, from the 256-bit PMOS 1101 introduced by
> Intel in 1969 to today's 256K NMOS and CMOS products.  Many of the
> earlier gains resulted from circuit innovation as the industry evolved
> from the three-transistor cell to the one-transistor cell of modern
> dynamic RAMs."
>=20
> Kerry

Ah, those are the sort of numbers I am looking for. Thanks Kerry, I will se=
e if I can scrounge a copy from somewhere, but having your mail as a backup=
 will help.


--=20
Scanned by iCritical.

--=20
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.