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:
Feb. 25, 2025
Filed:
Jan. 30, 2024
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Jungmin You, Hwaseong-si, KR;
Seongjin Cho, Hwaseong-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/406 (2006.01); G11C 11/4093 (2006.01);
U.S. Cl.
CPC ...
G11C 11/40615 (2013.01); G11C 11/40622 (2013.01); G11C 11/40626 (2013.01); G11C 11/4093 (2013.01);
Abstract
A memory device includes a memory cell array having a plurality of memory cells connected to wordlines and bitlines, a target row refresh logic configured to perform a refresh operation on at least one of target rows of the memory cell array in response to a refresh management mode command, a weak pattern detector that is activated according to a register update bit value included in the refresh management mode command and that outputs a risk level for each of the target rows, and a mode register circuit that updates at least one mode register value according to the risk level.