Delay Line Memory(?) ICs

From: William Donzelli <aw288_at_osfn.org>
Date: Thu Apr 17 21:20:00 2003

> I found an odd looking board today that I THINK might be some kind of
> delay line memory. I'm trying to find out more about the ICs used on it
> but I'm not finding much. Can anyone id these ICs? MC1662L, MC1043P,
> MC1010P and MC1040P? They are all 14 pin DIPs expect for the 1662, it is a
> 16 pin DIP. All of them are dated 1973 to 1976. They are definitely not
> sync chips or PICS!

MECL II and MECL III.

They are all small glue - gates, latches, and I think a 3 to 8 line decoder.

MECL III (the 1600 series) is damn fast - almost as fast as the more
familiar 100K ECL.

William Donzelli
aw288_at_osfn.org
Received on Thu Apr 17 2003 - 21:20:00 BST