PSI: a symbolic layout system

Authors:
Rolf-Dieter Fiebrich;Yun-Zen Liao;George Koppelman;Edward Adams
Affiliations:
Thinking Machines Corp., 577 Beaver Street, Waltham, Massachusetts;ECAD, Inc., 3255 Scott Boulevard, Santa Clara, California;IBM Research Division, P.O. Box 218, Yorktown Heights, New York;IBM Research Division, Yorktown Heights, New York
Venue:
IBM Journal of Research and Development
Year:
1984

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Abstract

A symbolic layout tool, PSI, is described for use with IBM circuit technology. Significant features of PSI are used with multiple circuit technologies, adaptation to rapid changes of technology design rules, creation of nested designs, and extensive designer control over the spacing process.