Article View: sci.electronics
Article #18312Re: TTL Families
From: Todd Krein
Date: Fri, 15 Jan 1988 14:00
Date: Fri, 15 Jan 1988 14:00
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1067 bytes
In article <634@netxcom.UUCP>, jallen@netxcom.UUCP (John Allen) writes: > In article <1552@mipos3.intel.com> dbraun@cadev4.UUCP () writes: > >Could someone post a BRIEF overview of the following types? > > > 7400 Original TTL > 74F00 I dunno I believe this is Fairchilds 'Fast' set, i.e. power hog & quick. > > Anyone have a rule of thumb for compatible types, incompatible types? > As for pinouts, I think they're all mix'n match.... You're gonna have problems with different driving ranges (74ls00 can drive 10 more 74ls00, but only one or two 7400's), and if the timing is critical... Well, hell. Anything could happen. Todd Krein
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!water!watmath!clyde!rutgers!gatech!mcnc!decvax!dartvax!eleazar!vizard From: vizard@eleazar.Dartmouth.EDU (Todd Krein) Newsgroups: sci.electronics,comp.sys.ibm.pc Subject: Re: TTL Families Message-ID: <7928@eleazar.Dartmouth.EDU> Date: 15 Jan 88 14:00:43 GMT References: <1552@mipos3.intel.com> <634@netxcom.UUCP> Organization: Dartmouth College, Hanover, NH Lines: 22