Generating a base curve database to reduce storage cost

Details Generating a base curve database to reduce storage cost Generating a base curve database to reduce storage cost

2008-09-17

2011-11-29

Dinh, Paul (Department: 2825)

Computer-aided design and analysis of circuits and semiconductor

Integrated circuit design processing

C716S103000, C716S106000, C716S132000

Reexamination Certificate

active

08069424

ABSTRACT:
An enhanced library accessible by an EDA tool can include a base curve database and a plurality of curve data sets. Each curve data set refers to a standard cell having certain timing characteristics. To determine those timing characteristics, each curve data set identifies at least one base curve (in the base curve database) as well as a starting current, a peak current, a peak voltage, and a peak time. In one embodiment, each base curve can be normalized. The base curve(s), the starting current, peak current, peak voltage, and peak time can accurately model the functioning of the IC device, e.g. represented by an I(V) curve.

REFERENCES:
patent: 5655109 (1997-08-01), Hamid
patent: 6028995 (2000-02-01), Jetton et al.
patent: 6516454 (2003-02-01), Hirata et al.
patent: 6622291 (2003-09-01), Ginetti
patent: 2001/0000212 (2001-04-01), Reipur et al.

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