Article View: sci.electronics
Article #4553Re: A 74F74?
From: Phil Ngai
Date: Mon, 09 Apr 1990 19:56
Date: Mon, 09 Apr 1990 19:56
18 lines
1377 bytes
1377 bytes
In article <1990Apr8.061809.6501@ns.network.com> logajan@ns.network.com (John Logajan) writes:
|We don't use a lot of line termination, but I have
|seen enough cases where it is sometimes advisable (hint, if the line is
|...
|The new kid on the block is 74FCT and 74FC (F.A.C.T.) which are almost as
|fast as 74F, but are really CMOS based familes (with 74FCT being voltage
|level compatible with TTL.) Naturally their power requirements are less
|still than 74F.
I haven't used 74FC but I have used 74AC parts and in my experience,
the 74AC parts are much worse than any other TTL compatible parts,
including the F series, in requiring line termination.
Are FC parts better? What is the difference between FC and AC?
--
Phil Ngai, phil@amd.com {uunet,decwrl,ucbvax}!amdcad!phil
The War on Drugs is the modern day Inquisition.
Technical Details
Message-ID:
<29798@amdcad.AMD.COM>Path:
arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!newstop!sun!amdcad!pepsi!philReferences:
<9561@sdcc6.ucsd.edu> <37746@mips.mips.COM> <1990Apr8.000826.16803@utzoo.uucp> <1990Apr8.061809.6501@ns.network.com>Show Full Headers
Complete Article Headers
Path: arc1-ca.pugleaf.net!utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!newstop!sun!amdcad!pepsi!phil From: phil@pepsi.amd.com (Phil Ngai) Newsgroups: sci.electronics Subject: Re: A 74F74? Message-ID: <29798@amdcad.AMD.COM> Date: 9 Apr 90 19:56:21 GMT References: <9561@sdcc6.ucsd.edu> <37746@mips.mips.COM> <1990Apr8.000826.16803@utzoo.uucp> <1990Apr8.061809.6501@ns.network.com> Sender: news@amdcad.AMD.COM Reply-To: phil@pepsi.AMD.COM (Phil Ngai) Organization: Advanced Micro Devices, Inc. Sunnyvale CA Lines: 18