On Mon, 3 Feb 2003, Brent Brown wrote: *>By the way, isn't there anyone else out there that wishes all micro *>inputs were Schmitt trigger? Seems to me more desireable than just a *>comparator module thrown in here or there. The thresholds on an integrated Schmitt are hard to maintain in production. I think that you really want a window comparator with a RS latch at the output. It would be nice but it would add too much silicon so nobody is doing it imho. Peter -- http://www.piclist.com hint: The PICList is archived three different ways. See http://www.piclist.com/#archives for details.