Method of timing model abstraction for circuits containing...

Details Method of timing model abstraction for circuits containing... Method of timing model abstraction for circuits containing...

2007-03-13

2007-03-13

Dinh, Paul (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

C716S030000

Reexamination Certificate

active

10897349

ABSTRACT:
The present invention provides for determining arrival times in a circuit. An arrival time for a main signal is assigned. An arrival time for a secondary signal is assigned. It is determined whether a test is for an early arrival or for a later arrival. If the test type is for a late arrival, it is determined whether the arrival time for the secondary signal is later than for the first signal. If the test type is for an early arrival, it is determined whether the arrival time for the secondary signal is earlier than for the first signal. If the test type is for the late arrival and the arrival time for the secondary signal is later than for the first signal, assume maximum interference between the signals. If the test type is for the late arrival and the arrival time for the secondary signal is not later than for the first signal, calculate the actual interference between the signals.

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