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:
Mar. 14, 2017
Filed:
Dec. 15, 2014
Applicant:
Infineon Technologies Ag, Neubiberg, DE;
Inventors:
Assignee:
Infineon Technologies AG, Neubiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/00 (2006.01); G11C 29/02 (2006.01); G06F 11/10 (2006.01); H03M 13/37 (2006.01); G11C 13/00 (2006.01); G11C 11/16 (2006.01); G11C 29/52 (2006.01); G11C 7/04 (2006.01); G11C 29/42 (2006.01); G11C 29/50 (2006.01);
U.S. Cl.
CPC ...
G11C 29/76 (2013.01); G06F 11/106 (2013.01); G06F 11/1048 (2013.01); G11C 7/04 (2013.01); G11C 11/1673 (2013.01); G11C 13/0033 (2013.01); G11C 29/028 (2013.01); G11C 29/42 (2013.01); G11C 29/50016 (2013.01); G11C 29/52 (2013.01); H03M 13/3715 (2013.01); G11C 11/1653 (2013.01); G11C 11/1675 (2013.01);
Abstract
A system and method of refreshing a nonvolatile memory having memory cells. The method includes identifying one or more of the memory cells that do not satisfy a data retention test; remapping the one or more identified memory cells from original memory addresses to spare memory addresses; and refreshing the identified memory cells.