Path: utzoo!attcan!uunet!cs.utexas.edu!asuvax!hrc!chanel!ngc
From: ngc@chanel.UUCP (Chris Ng)
Newsgroups: sci.electronics
Subject: Re: Transmission Lines - What Are They??
Message-ID: <46e0fd1a.1fbc0@chanel.UUCP>
Date: 16 Nov 89 23:16:38 GMT
References: <868@encad.Wichita.NCR.COM> <1989Nov12.013850.7756@utzoo.uucp> <24023@cup.portal.com>
Organization: gte
Lines: 20

In article <24023@cup.portal.com>, mmm@cup.portal.com (Mark Robert Thorson) writes:
> A good cookbook rule for TTL is:
> 1)  Series termination -- 10 to 100 ohms placed right near the driver.  I.e.
> 
> 2)  Parallel termination -- 220 ohms to Vcc and 330 ohms to ground, placed

Parallel termination draws current constantly while
series termination does not. May be it doesn't matter in your design,
just a side note.


   





-- 
Chris Ng
UUCP: {asuvax | hrc}!gtephx!ngc