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.:
Date of Patent:
Jul. 19, 2011
Filed:
Feb. 22, 2008
Applicant:
Shuji Hamada, Kawasaki, JP;
Inventor:
Shuji Hamada, Kawasaki, JP;
Assignee:
Fujitsu Semiconductor Limited, Yokohama, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01);
U.S. Cl.
CPC ...
Abstract
Logic circuitry has a test point to detect a signal about a delay fault propagating on a logic path between an input terminal and an output terminal, the test point being coupled to the logic path, wherein the test point includes a delay component to delay timing to detect the signal about a delay fault propagating on the logic path by predetermined time.