Glitch and metastability checks using signal characteristics

Details Glitch and metastability checks using signal characteristics Glitch and metastability checks using signal characteristics

2007-06-12

2007-06-12

Shah, Kamini (Department: 2128)

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

Simulating electronic device or electrical system

Circuit simulation

C703S014000, C703S016000, C703S019000, C326S057000, C326S058000, C326S113000, C324S765010

Reexamination Certificate

active

10729785

ABSTRACT:
In accordance with the present invention there is provided a method for performing a glitch check in simulating a circuit. Current maximum and minimum values for optimization parameters of the circuit are determined. Next, a signal pulse characteristic for the circuit simulation is determined based on the maximum and minimum optimization parameters. A current averaged optimization parameter is determined from the current maximum and minimum optimization parameters. A prime criterion parameter is calculated based on the optimization parameters and the signal pulse characteristic value. If the prime criterion parameter converges into a specified range then measurement results from the circuit simulation are parsed and reported as final. If the prime criterion parameter does not converge, then the process continues by recalculating the optimization parameters until the prime criterion parameter converges.

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