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.

Patent No.:

US 8516316 B1

PDF
Full Text
Expired
Date of Patent:
Aug. 20, 2013

Filed:

Dec. 01, 2009
Applicants:

Tong Kin Lam, Hsin-Chu, TW;

Wei-pin Changchein, Taichung, TW;

Chin-chou Liu, Jhubei, TW;

Inventors:

Tong Kin Lam, Hsin-Chu, TW;

Wei-Pin Changchein, Taichung, TW;

Chin-Chou Liu, Jhubei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
Abstract

System and method for diagnosing failures within an integrated circuit is provided. In an embodiment, the apparatus includes a diagnostic cell coupled in series with a buffer chain. The diagnostic cell includes a plurality of logic operators that when activated invert a signal received from the buffer chain. The inversion of the signal from the buffer chain allows the diagnostic cell to determine the location of a failure within an integrated circuit previously determined by a scan chain design for test methodology to contain a failure.


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Lam, Tong. (2013). Method and apparatus for diagnosing an integrated circuit (U.S. Patent No. 8516316). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8516316

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