It turns out Don had something to say about selecting either a 7404 (TTL),
MC789 (RTL), or 4049 (CMOS):
http://www.tinaja.com/glib/marcia.pdf
He mentions it at the bottom right of the second page. The article is well
worth reading and does shed light on the subject.
Randy
www.s100-manuals.com
Received on Fri Jan 07 2005 - 13:57:02 GMT