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:
Apr. 04, 2017
Filed:
Sep. 22, 2014
Applicant:
Arm Limited, Cambridge, GB;
Inventor:
Teresa Louise McLaurin, Austin, TX (US);
Assignee:
ARM Limited, Cambridge, GB;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01); G01R 31/3177 (2006.01); G01R 31/3185 (2006.01);
U.S. Cl.
CPC ...
G01R 31/3177 (2013.01); G01R 31/318541 (2013.01);
Abstract
An integrated circuitis provided with a serial scan chain. Disposed between at least some serial scan cellsforming a serial scan chain there is provided a partial scan cells. These partial scan cells are arranged such that during a scan mode in which serial data is being shifted into and out of the serial scan cells, a fixed value is captured and stored into the partial scan cell. This avoids the presence of unknown data values within the signal paths between the functional logicwhich is to be tested.