Digital system simulation method and apparatus having two signal-level modes of operation
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United States of America Patent
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Dec 9, 1986
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N/A
app pub date -
Feb 2, 1984
filing date -
Feb 2, 1984
priority date (Note) -
Expired
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Abstract
A digital system simulation apparatus and method enable better efficiency and precision of system simulation by operating in either a four signal-level mode or a nine signal-level mode, depending upon the particular circuitry being employed. All signal outputs are generated in the nine signal-level mode, however, when the output is directed to a gate level circuit element, the apparatus and method automatically mask the strength data in the output signal thereby providing the four signal-level mode of operation.
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