Fw: Deck of IBM PLAYING CARDS GOES FOR $325

[William Donzelli]

> I  downloaded some motorola application notes from bitsavers.
> Wow they sure had a  lot of  different types of  TTL. I wonder how only 
> the 74xx
> became the only TTL used today?

"lot of different types" is exactly why. This "thinning" has happened with
almost all logic families, but there are always exceptions - until about
10 years ago there were a couple of Motorola 4000 series TTL (!) parts
still in use, as well as some Motorola 1600 series MECL III still useful.

William Donzelli
aw288 at osfn.org