Article: 1978 of comp.lsi.cad
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From: paul@eros.Berkeley.EDU (Paul Cohen)
Newsgroups: comp.lsi.cad
Subject: Re: octpla problems(OCTTOOLS 5.1)
Message-ID: <18mkl8INN8re@agate.berkeley.edu>
Date: 10 Sep 92 04:58:16 GMT
References: <1992Sep8.184219.17393@cs.rose-hulman.edu>
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In article <1992Sep8.184219.17393@cs.rose-hulman.edu> bohlkejh@NeXTwork.Rose-Hulman.Edu (Jon H. Bohlke) writes:

>   Does anybody have octpla working under OCTTOOLS 5.1?  I cannot get a  
>finsihed layout with it and it takes forever!

You should be sure to use the -nofold option. I've used the 5.1
version of octpla, and fabricated the PLAs. The circuits worked fine.
You should check the well and substrate contacts, though. In general,
octpla -nofold will work for fairly small PLAs. Since the
placement of substrate contacts is limited, I'd avoid "tall,  thin"
PLAs. 

In general, Octools questions can be addressed to
octtools@ic.berkeley.edu.


-- 
Paul B. Cohen				| paul@aha.com
Advanced Hardware Architectures, Inc.	| paul@ic.berkeley.edu
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