Path: utzoo!censor!geac!torsqnt!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!wuarchive!mit-eddie!media-lab!minsky From: minsky@media-lab.MEDIA.MIT.EDU (Marvin Minsky) Newsgroups: sci.electronics Subject: Re: schmitt trig. nand configurations Message-ID: <4228@media-lab.MEDIA.MIT.EDU> Date: 2 Dec 90 22:30:11 GMT References: <48711@eerie.acsu.Buffalo.EDU> <1784@umriscc.isc.umr.edu> Reply-To: minsky@media-lab.media.mit.edu (Marvin Minsky) Organization: MIT Media Lab, Cambridge MA Lines: 10 In article <1784@umriscc.isc.umr.edu> robf@mcs213k.cs.umr.edu (Rob Fugina) writes: >...the method of tying unused inputs to Vcc or ground is the preferred design. (An OR or a NOR would require unused inputs be tied to ground instead of Vcc). True. But let's see the actual pin diagram. On one side of the chip, Vcc is nearby, but on the other side, it is not. SO if the designer doesn't care about loading, you can simplify the PC layout, etc. Brought to you by Super Global Mega Corp .com