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. 28, 2023
Filed:
Jan. 26, 2022
Applicant:
SK Hynix Inc., Icheon-si, KR;
Inventors:
Seung Gyu Jeong, Gwangmyeong-si, KR;
Dong Gun Kim, Hwaseong-si, KR;
Assignee:
SK hynix Inc., Icheon-si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/123 (2016.01); G06F 12/0804 (2016.01);
U.S. Cl.
CPC ...
G06F 12/124 (2013.01); G06F 12/0804 (2013.01); G06F 2212/1032 (2013.01); G06F 2212/608 (2013.01);
Abstract
A cache system includes a cache memory having a plurality of blocks, a dirty line list storing status information of a predetermined number of dirty lines among dirty lines in the plurality of blocks, and a cache controller controlling a data caching operation of the cache memory and providing statuses and variation of statuses of the dirty lines, according to the data caching operation, to the dirty line list. The cache controller performs a control operation to always store status information of a least-recently-used (LRU) dirty line into a predetermined storage location of the dirty line list.