Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!swrinde!zaphod.mps.ohio-state.edu!rpi!herodotus.rdrc.rpi.edu!kyriazis
From: kyriazis@herodotus.rdrc.rpi.edu (George Kyriazis)
Newsgroups: comp.arch
Subject: Re: Cool CMOS at ECL speeds (?)
Message-ID: <*HSY$&@rpi.edu>
Date: 18 Jan 90 20:39:36 GMT
References: <105@zds-ux.UUCP> <34525@mips.mips.COM> <50985@bbn.COM> <1662@castle.ed.ac.uk>
Reply-To: kyriazis@herodotus.rdrc.rpi.edu.UUCP (George Kyriazis)
Organization: Rensselaer Polytechnic Institute, Troy NY
Lines: 18

In article <1662@castle.ed.ac.uk> ecsv12@castle.ed.ac.uk (T Stiemerling) writes:
>CMOS is constructed using FET's while ECL is constructed from
>bipolar transistors, which probably also dissipate heat statically

ECL's are using a differential amp at the input with a constant current
source (I don't remember the rating).  They are dissipating the
same massive amount of current anyway.  Those guys work on current,
not voltage, that's why they are power hogs.

>-- 
>Tom Stiemerling, Computer Science Department, Edinburgh University,
>Edinburgh, UK. : 031-667 1081 : T.R.Stiemerling@uk.ac.edinburgh


  George Kyriazis
  kyriazis@turing.cs.rpi.edu
  kyriazis@rdrc.rpi.edu
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