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:
Apr. 10, 2018
Filed:
Nov. 04, 2016
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Hyun-Joong Kim, Hwaseong-si, KR;
Ho-young Song, Hwaseong-si, KR;
Hoi-ju Chung, Yongin-si, KR;
Ju-yun Jung, Hwaseong-si, KR;
Sang-uhn Cha, Yongin-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Samsung-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G11C 11/4096 (2006.01); G06F 3/06 (2006.01); G11C 7/10 (2006.01); G11C 11/406 (2006.01); G11C 29/02 (2006.01); G11C 29/04 (2006.01); G11C 29/52 (2006.01); G11C 29/50 (2006.01); G11C 29/12 (2006.01);
U.S. Cl.
CPC ...
G11C 11/4096 (2013.01); G06F 3/0619 (2013.01); G06F 3/0659 (2013.01); G06F 3/0673 (2013.01); G11C 7/1063 (2013.01); G11C 11/40611 (2013.01); G11C 11/40622 (2013.01); G11C 29/025 (2013.01); G11C 29/028 (2013.01); G11C 29/04 (2013.01); G11C 29/52 (2013.01); G11C 29/50016 (2013.01); G11C 2029/0403 (2013.01); G11C 2029/0409 (2013.01); G11C 2029/1202 (2013.01); G11C 2029/5002 (2013.01); G11C 2211/4068 (2013.01);
Abstract
Provided are a memory device and a memory system performing request-based refresh, and an operating method of the memory device. The operating method includes: determining a weak row by counting an activated number of at least one row; requesting for refresh on the weak row based on a result of the determining; and performing target refresh on the weak row upon receiving a refresh command according to the requesting.