> > When where the first 74xx ICs released / designed ?
> > Especialy when where complex chips like 744x, 748x or
> > 74181 first mentioned/available ?
> > This may be a stuipd question, but I couldn't find any
> > information ... so all I have is my personal guess (~1970)
> > and the oldesd TTL book Philip Belben could find (1972).
> > Anyone more informed ?
> I think you guys are going to have to use DTL. If TTL was even around in
> 1970, it was probably pretty expensive at first.
You know why we need this info ...(big secret until some
day)... and in this context to expensive wasn't a real
issue.
Ciao
Hans
--
VCF Europa 3.0 am 27./28. April 2002 in Muenchen
http://www.vcfe.org/
Received on Tue May 15 2001 - 11:14:17 BST