The structured computer-aided logic design (SCALD) software was a computer aided design system developed for building the S-1 computer. It used the
Stanford University Drawing System (SUDS), and it was developed by Thomas M. McWilliams and Lawrence Curtis Widdoes, Jr. The work led to the start of the
Valid Logic Systems
Cadence Design Systems, Inc. (stylized as cādence), headquartered in San Jose, California, is an American multinational computational software company, founded in 1988 by the merger of SDA Systems and ECAD, Inc. The company produces software, ...
company (briefly known as SCALD Corporation) in 1981, which was purchased by
Cadence Design
Cadence Design Systems, Inc. (stylized as cādence), headquartered in San Jose, California, is an American multinational computational software company, founded in 1988 by the merger of SDA Systems and ECAD, Inc. The company produces software, ...
in 1991.
McWilliams and Widdoes won the
W. Wallace McDowell Award
The W. Wallace McDowell Award is awarded by the IEEE Computer Society for outstanding theoretical, design, educational, practical, or related innovative contributions that fall within the scope of Computer Society interest. This is the highest te ...
in 1984 for the SCALD methodology.
See also
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Static timing analysis
Static timing analysis (STA) is a simulation method of computing the expected timing of a synchronous digital circuit without requiring a simulation of the full circuit.
High-performance integrated circuits have traditionally been character ...
References
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Electronic design automation
Lawrence Livermore National Laboratory
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