Article View: sci.electronics
Article #3888Re: Transmission Lines - What Are They??
From: Phil Ngai
Date: Tue, 28 Nov 1989 19:07
Date: Tue, 28 Nov 1989 19:07
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1306 bytes
In article <24187@cup.portal.com> mmm@cup.portal.com (Mark Robert Thorson) writes:
|ngc@chanel.UUCP (Chris Ng) says:
|> Parallel termination draws current constantly while
|> series termination does not. May be it doesn't matter in your design,
|> just a side note.
|
|Another cookbook rule: use series termination where short lines with few
|loads are being drived, such as a microprocessor driving a few peripheral
|and memory chips, or an address multiplexer driving a bank of DRAM chips.
But don't forget about the half-step you get with series termination.
--
Phil Ngai, phil@diablo.amd.com {uunet,decwrl,ucbvax}!amdcad!phil
AT&T Unix System V.4: Berkeley Unix for 386 PCs!
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arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!brutus.cs.uiuc.edu!lll-winken!sun-barr!decwrl!amdcad!diablo!philReferences:
<868@encad.Wichita.NCR.COM> <1989Nov12.013850.7756@utzoo.uucp> <24023@cup.portal.com> <46e0fd1a.1fbc0@chanel.UUCP> <24187@cup.portal.com>Show Full Headers
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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!samsung!brutus.cs.uiuc.edu!lll-winken!sun-barr!decwrl!amdcad!diablo!phil From: phil@diablo.amd.com (Phil Ngai) Newsgroups: sci.electronics Subject: Re: Transmission Lines - What Are They?? Message-ID: <28163@amdcad.AMD.COM> Date: 28 Nov 89 19:07:32 GMT References: <868@encad.Wichita.NCR.COM> <1989Nov12.013850.7756@utzoo.uucp> <24023@cup.portal.com> <46e0fd1a.1fbc0@chanel.UUCP> <24187@cup.portal.com> Sender: news@amdcad.AMD.COM Reply-To: phil@diablo.AMD.COM (Phil Ngai) Organization: Advanced Micro Devices, Inc. Sunnyvale CA Lines: 15