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 7808263 B1

PDF
Full Text
Expired
Date of Patent:
Oct. 05, 2010

Filed:

Mar. 17, 2009
Applicants:

Murari Kejariwal, Austin, TX (US);

John Laurence Melanson, Austin, TX (US);

Ammisetti V. Prasad, Austin, TX (US);

Sherry Xiaohong Wu, Austin, TX (US);

Inventors:

Murari Kejariwal, Austin, TX (US);

John Laurence Melanson, Austin, TX (US);

Ammisetti V. Prasad, Austin, TX (US);

Sherry Xiaohong Wu, Austin, TX (US);

Assignee:

Cirrus Logic, Inc., Austin, TX (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

An integrated circuit including at least one internal operational block, which includes test control circuitry for initiating a test mode and testing circuitry for verifying an operation of the integrated circuit under a more stringent condition in the test mode as compared to a condition in another operating mode such that proper operation of the integrated circuit is assured in the another operating mode. Pin control circuitry selectively outputs a test signal from a selected pin in the test mode indicative of the operation of the internal block, wherein the selected pin is utilized for exchanging another signal when the integrated circuit is in the another operating mode.


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Kejariwal, Murari. (2010). Non-invasive, low pin count test circuits and methods utilizing emulated stress conditions (U.S. Patent No. 7808263). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7808263

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