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:
Feb. 22, 2022

Filed:

May. 03, 2020
Applicants:

Global Unichip Corporation, Hsinchu, TW;

Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;

Inventors:

Hsin-Hsiung Liao, Hsinchu, TW;

Min-Hsiu Tsai, Hsinchu, TW;

Assignee:

Other;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 30/30 (2020.01); G06F 30/3315 (2020.01); G06F 119/12 (2020.01);
U.S. Cl.
CPC ...
G06F 30/3315 (2020.01); G06F 2119/12 (2020.01);
Abstract

An establishing method for the timing model includes: identifying at least one first victim path which is a boundary path in a circuit block; determining whether to remove a first aggressor path corresponding to the first victim path according to a transmission delay on the first victim path; finding a plurality of high-fanout circuit devices with a fanout number greater than a preset value in the circuit block; determining whether to remove each of the high-fanout circuit devices according to a connection position of each of the high-fanout circuit devices; identifying a plurality of second victim paths corresponding to each of the high-fanout circuit devices, and determining whether to keep or remove a second aggressor path corresponding to each of the second victim paths according to a transmission delay of each of the second victim paths.


Find Patent Forward Citations

Loading…