Verification equipment of semiconductor integrated circuit,...

Details Verification equipment of semiconductor integrated circuit,... Verification equipment of semiconductor integrated circuit,...

2007-04-30

2010-06-15

Do, Thuan (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

C716S030000, C716S030000, C716S030000

Reexamination Certificate

active

07739634

ABSTRACT:
The verification equipment of a semiconductor integrated circuit in the present invention is included with a circuit net list extraction section that extracts the net list of a circuit, a circuit simulation execution section that executes a circuit simulation, based on the extracted net list, a finite impedance judgment section that judges existence or nonexistence of finite impedances, a floating error terminal judgment section that judges existence or nonexistence of floating error terminals by measuring finite impedances, a true floating error terminal judgment section that adds any one of a P channel-type transistor and an N channel-type transistor to terminals of the circuit where it is judged that there are floating error terminals and calculates changes in potential at the terminals and adds the other of the P channel-type transistor and the N channel-type transistor to the terminals and calculates changes in potential at the terminals, and an output section that outputs a judgment result of the floating error terminal judgment section and a judgment result of the true floating error terminal judgment section.

REFERENCES:
patent: 5530394 (1996-06-01), Blossfeld et al.
patent: 7409328 (2008-08-01), McGaughy et al.
patent: 5-74948 (1993-03-01), None
patent: 2000-293555 (2000-10-01), None

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