Digital logic wire delay simulation

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United States of America Patent

PATENT NO 5655107
SERIAL NO

08347006

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Abstract

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A digital logic simulation system simulates a digital logic system having component blocks connected by nets with a master queue that contains events to be performed during the simulation, a scheduler that adds events to the master queue such that the processing of each block is represented by an update event and a compute event, and a dispatcher that maintains a time clock that defines a simulation clock time, extracts events from the master queue according to the simulation clock time, and produces a simulation output, such that wire delays for particular nets are modelled with a corresponding update event and compute event. Only those nets that have an associated wire delay that is being modelled will cause a wire delay update event and compute event. All other nets will not result in wire delay events.

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Patent Owner(s)

  • INTERNATIONAL BUSINESS MACHINES CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bull, Michael Morgan Hill, CA 15 58

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