The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jan. 02, 2018

Filed:

Dec. 18, 2015
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Kerim Kalafala, Rhinebeck, NY (US);

Tsz-Mei Ko, Poughkeepsie, NY (US);

Ravichander Ledalla, Fishkill, NY (US);

Alice H. Lee, Belmont, MA (US);

Adam P. Matheny, Beacon, NY (US);

Jose L. Neves, Poughkeepsie, NY (US);

Gregory M. Schaeffer, Poughkeepsie, NY (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06F 17/50 (2006.01);
U.S. Cl.
CPC ...
G06F 17/5081 (2013.01); G06F 2217/78 (2013.01); G06F 2217/82 (2013.01); G06F 2217/84 (2013.01);
Abstract

An incremental parasitic extraction system includes a noise analysis module configured to perform a first noise analysis on at least one first net with respect to at least one aggressor net. The incremental parasitic extraction system further includes an optimizer module and an extraction module. The optimizer module performs a first optimization activity on the at least one first net based on results of the first noise analysis. The optimizer module further generates a first invalidation list based on the first optimization activity, and a second invalidation list based on a type of the first optimization action so as to add the second invalidation list to the first invalidation list. The extraction module processes the first and second invalidation lists and performs an extraction and noise analysis process on the first and second invalidation lists so as to determine at least one new RC network and associated noise analysis results.


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