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:
Oct. 06, 2015

Filed:

Aug. 30, 2013
Applicant:

Samsung Electronics Co., Ltd., Suwon-Si, Gyeonggi-Do, KR;

Inventor:

Uk-Song Kang, Seongnam-Si, KR;

Assignee:

Samsung Electronics Co., Ltd., Suwon-si, Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/401 (2006.01); G11C 7/00 (2006.01); G11C 11/406 (2006.01); G11C 11/408 (2006.01); G11C 29/02 (2006.01); G11C 29/50 (2006.01); G06F 12/00 (2006.01); G11C 11/4076 (2006.01); G11C 5/04 (2006.01);
U.S. Cl.
CPC ...
G11C 7/00 (2013.01); G11C 11/408 (2013.01); G11C 11/4087 (2013.01); G11C 11/40611 (2013.01); G11C 11/40615 (2013.01); G11C 11/40622 (2013.01); G11C 29/023 (2013.01); G11C 29/028 (2013.01); G11C 29/50016 (2013.01); G11C 5/04 (2013.01); G11C 11/4076 (2013.01); G11C 2211/4065 (2013.01); G11C 2211/4068 (2013.01);
Abstract

A semiconductor memory device includes a cell array including a plurality of cell regions, a row decoder configured to drive rows corresponding to cell regions in which a refresh operation is to be performed, based on a counting address, and a refresh address generator configured to generate the counting address and a modified address in response to a control signal, wherein the modified address is generated by inverting at least one bit of the counting address, and wherein the semiconductor memory device performs concurrent refresh operations on a first cell region corresponding to the counting address and a second cell region corresponding to the modified address where the second cell region is determined to have weak cells.


Find Patent Forward Citations

Kang, Uk-Song. (2015). Semiconductor memory device having adjustable refresh period, memory system comprising same, and method of operating same (U.S. Patent No. 9153294). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9153294

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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