High speed logic simulation system with stimulus engine using independent event channels selectively driven by independent stimulus programs
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United States of America Patent
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Jun 30, 1992
Issued Date -
N/A
app pub date -
Jan 18, 1990
filing date -
Jun 25, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A stimulus engine for a logic simulation system is used to interpret a stimulus language and generate test patterns as input to a logic simulator. The stimulus language allows a large test pattern set to be represented as a program. Special purpose hardware interprets this program and generates a sequence of input/output events to the logic simulator. The program interpretation is performed while the logic simulation is executing. Special purpose hardware is used to insure that the stimulus engine is able to generate the input/output events at a rate which does not slow down the logic simulator.
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