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:
Sep. 24, 2019
Filed:
Jul. 20, 2017
Applicant:
SK Hynix Inc., Gyeonggi-do, KR;
Inventors:
Assignee:
SK hynix Inc., Gyeonggi-do, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 3/06 (2006.01); G06F 12/02 (2006.01); G06F 11/07 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0616 (2013.01); G06F 3/064 (2013.01); G06F 3/0619 (2013.01); G06F 3/0679 (2013.01); G06F 11/07 (2013.01); G06F 12/0253 (2013.01);
Abstract
A controller includes a calculation unit suitable for calculating a first criteria value, a second criteria value, and a valid page ratio of each of a plurality of first memory blocks included in a first memory block group a memory device of the memory system, a decision unit suitable for deciding as a copy candidate a first memory block having a valid page ratio equal to or smaller than the first criteria value; and a processor suitable for controlling the memory device to copy data of the copy candidate to a second memory block in the memory device when the valid page ratio of the copy candidate is equal to or smaller than the second criteria value.