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:
Aug. 23, 2022

Filed:

Mar. 21, 2019
Applicant:

Mentor Graphics Corporation, Wilsonville, OR (US);

Inventors:

Yu Huang, West Linn, OR (US);

Janusz Rajski, West Linn, OR (US);

Sylwester Milewski, Nowe Miasto Lubawskie, PL;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/3185 (2006.01); G01R 31/3183 (2006.01);
U.S. Cl.
CPC ...
G01R 31/318544 (2013.01); G01R 31/318335 (2013.01); G01R 31/318536 (2013.01); G01R 31/318547 (2013.01);
Abstract

The operational mode information and the hold-toggle pattern for a flexible isometric test compression system may be determined based on the plurality of test cubes generated for a subset of the targeted faults, the predetermined size and toggle rate for the hold-toggle pattern, and the predetermined maximum number of device inputs for full-toggle scan chains. The operational mode information comprising information of the full-toggle scan chains may be determined based on reduced toggle ranges first and the hold-toggle pattern may then be determined using a relaxation method. Alternatively, the hold-toggle pattern and the full-toggle scan chains may be determined incrementally together.


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