Differential line pair impedance adjustment tool

Details Differential line pair impedance adjustment tool Differential line pair impedance adjustment tool

2006-01-03

2006-01-03

Whitmore, Stacy A. (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Nanotechnology related integrated circuit design

C716S030000

Reexamination Certificate

active

06983433

ABSTRACT:
A computer-implemented method is disclosed for adjusting impedance. A list of differential line pairs in a circuit design database is searched through for a target differential line pair, where the target differential line pair is flagged as having an incorrect characteristic impedance. A position in a circuit layout described in said circuit design database of at least one line in the differential line pair is adjusted to correct the characteristic impedance.

REFERENCES:
patent: 6260181 (2001-07-01), Inoue
patent: 6381730 (2002-04-01), Chang et al.
patent: 6530062 (2003-03-01), Liaw et al.
patent: 6539062 (2003-03-01), Grabb et al.
patent: 2004/0113654 (2004-06-01), Lundberg

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