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Article #688

OCTTOOLS QUESTION

#688
From: arumugamangalam lokanathan GR
Date: Tue, 26 Jan 1993 08:38
48 lines
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I have had the following problem with OCTTOOLS for a while now :

I CANNOT SIMULATE PHYSICAL OCT FACETS USING MUSA.

For example :

I laid out a simple nand gate in  "Magic" and using "mag2oct" I got a physical

octfacet called "nand:physical". 

nand:physical has inputs "a" and "b" and output "O".

The properties of the cell as shown by the command "bdnet -n nand:physical" are

________________________________________________________________
 
MODEL "nand":physical;

TECHNOLOGY scmos;
VIEWTYPE PHYSICAL;
EDITSTYLE PHYSICAL;
INPUT "a";
INPUT "b";
OUTPUT "O";
GROUND "GND!";
SUPPLY "Vdd!";

ENDMODEL;

___________________________________________________________________

When I simulate this cell with musa, "O" is "unknown" regardless of "a" and "b".

Further I can assign a value to "O", which means musa is treating "O" as any other

input. 



ARE THERE ANY OCTTOOLS EXPERTS WHO KNOW OF A SOLUTION TO THIS PROBLEM ?

I would appreciate any help you have to offer.

You are welcome to email your suggestions directly to me at

lokanthn@pleiades.cs.bucknell.edu

Loki 
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From: lokanthn@bucknell.edu (arumugamangalam lokanathan GR)
Newsgroups: comp.lsi
Subject: OCTTOOLS QUESTION
Date: 26 Jan 1993 08:38:21 GMT
Organization: Bucknell University, Lewisburg, PA
Lines: 51
Distribution: world
Message-ID: <1k2t9tINNd81@coral.bucknell.edu>
NNTP-Posting-Host: acrux.cs.bucknell.edu
Keywords: OCTTOOLS, Musa, Magic.