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Dan Fraser
Guest
How fast do you need? They will all work to 25 MHz and many a lot higher.
--
Dan Fraser
From Costa Mesa in sunny California
949-631-7535 Cell 714-420-7535
Check out my electronic schematics site at: http://www.schematicsforfree.com
If you are into cars check out www.roadsters.com
--
Dan Fraser
From Costa Mesa in sunny California
949-631-7535 Cell 714-420-7535
Check out my electronic schematics site at: http://www.schematicsforfree.com
If you are into cars check out www.roadsters.com
S
Steve
Guest
payam79b@yahoo.com (payam) wrote in message news:<1e2005ff.0309182312.534895c2@posting.google.com>...
Some have good propogation delays but slow rise/fall times and vice
versa.
At a quick around the net, FASTr is the best among TTL. I'd say that
AC is a good compromise. ECL is also excellent. New and growing
technology like this may be hard to find though.
refer to the thread in this group of 11 Sep 2003 "All IC families"
My reply in this thread quoted below for your convenience;
this is an excellent guide; http://www.i9t.net/vl/Logic%20Family.pdfWhat is the highest kind of TTL
Some have good propogation delays but slow rise/fall times and vice
versa.
At a quick around the net, FASTr is the best among TTL. I'd say that
AC is a good compromise. ECL is also excellent. New and growing
technology like this may be hard to find though.
refer to the thread in this group of 11 Sep 2003 "All IC families"
My reply in this thread quoted below for your convenience;
GOOGLE, GOOGLE, GOOGLE, GOOGLE, GOOGLE!!!!!!!
No, I'm not impersonating a turkey, I'm trying to express my utter
frustration in peoples distinct lack of ability when it comes to
finding information on the net.
try these search terms;
logic family comparison, CMOS, Low Power Schottky, TTL etc etc.
You'll get HEAPS of stuff, a few pages I found quickly with that first
search term will shed some light on the subject for you;
http://www.philipslogic.com/products/collateral/logic/pdf/chart-3v5v.pdf
http://design.stanford.edu/spdl/ME218a/logic/which_is_best.html
http://satya.virtualave.net/icfam.html
http://www.avnetkopp.co.za/Semi_log.htm
easy isn't it?