Method and system for filtering unknown values in ASIC...

Details Method and system for filtering unknown values in ASIC... Method and system for filtering unknown values in ASIC...

2005-10-25

2009-12-08

Shah, Kamini (Department: 2128)

Data processing: structural design, modeling, simulation, and em

Simulating electronic device or electrical system

Circuit simulation

C703S013000, C703S015000, C716S030000

Reexamination Certificate

active

07630876

ABSTRACT:
Method and system for application specific integrated circuit (ASIC) simulation, wherein the ASIC includes plural logical elements is provided. The method includes, monitoring transitions at an output of a logic element of the ASIC; checking if the transition is to an unknown value (X); verifying if the unknown value is based on a design error; forcing the output of the logic element to a known value if the unknown is an unwanted condition; propagating the known value to logic elements in the ASIC; and releasing the known value after a next command.

REFERENCES:
patent: 3715573 (1973-02-01), Vogelsberg

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