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:
Aug. 10, 2021
Filed:
Mar. 28, 2019
Applicant:
Samsung Electronics Co., Ltd., Suwon-si, KR;
Inventors:
Jongpil Son, Seongnam-si, KR;
Wooyeong Cho, Suwon-si, KR;
Assignee:
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/406 (2006.01); G11C 11/4076 (2006.01); G11C 11/408 (2006.01); G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G11C 11/4076 (2013.01); G06F 3/0604 (2013.01); G06F 3/0659 (2013.01); G06F 3/0661 (2013.01); G06F 3/0673 (2013.01); G11C 11/4082 (2013.01); G11C 11/4085 (2013.01); G11C 11/4087 (2013.01); G11C 11/40611 (2013.01);
Abstract
A memory module includes a plurality of memory devices each including a memory cell array, and a register clock driver connected to the memory devices. The register clock driver detects a row hammer address among row addresses corresponding to word lines of the memory cell array, converts a refresh command, among a plurality of refresh commands received from a memory controller for refreshing the memory cell array, to a row hammer refresh command, and transmits the row hammer refresh command and the row hammer address to each of the memory devices.