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:
Nov. 13, 2018
Filed:
Oct. 11, 2017
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventor:
Choung-KI Song, Gyeonggi-do, KR;
Assignee:
SK Hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 14/00 (2006.01); G11C 11/406 (2006.01); G11C 5/14 (2006.01); G11C 11/00 (2006.01); G11C 11/4072 (2006.01);
U.S. Cl.
CPC ...
G11C 14/0018 (2013.01); G11C 5/141 (2013.01); G11C 11/005 (2013.01); G11C 11/4072 (2013.01); G11C 11/40615 (2013.01); G11C 14/0009 (2013.01);
Abstract
A memory module includes an emergency power supplier, a plurality of ranks each including one or more volatile memories, a non-volatile memory, and a controller suitable for backing up data of the ranks into the non-volatile memory by using the emergency power supplier during a power failure, wherein the ranks are sequentially backed up, and while one rank is backed up among the ranks, the other ranks are controlled in a self-refresh mode.