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:
Jun. 07, 2011

Filed:

Sep. 22, 2010
Applicants:

Ahmad R. Ansari, San Jose, CA (US);

Ting LU, Austin, TX (US);

Ismed D. Hartanto, Castro Valley, CA (US);

Inventors:

Ahmad R. Ansari, San Jose, CA (US);

Ting Lu, Austin, TX (US);

Ismed D. Hartanto, Castro Valley, CA (US);

Assignee:

Xilinx, Inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/28 (2006.01); G11C 29/00 (2006.01); G11C 7/00 (2006.01); H03K 19/00 (2006.01); G06F 7/38 (2006.01);
U.S. Cl.
CPC ...
Abstract

An embodiment of a method of enhancing security of internal memory is disclosed. For this embodiment of the method, the application specific block is operated in a functional mode, and a reset of the application specific block is initiated. From a built-in self-test engine, at least one write to the internal memory is initiated in response to the reset initiated, where the at least one write overwrites data stored in the internal memory during a reset mode.


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