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.

Date of Patent:
Nov. 29, 2022

Filed:

Jan. 13, 2021
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventor:

Da Eun Song, Gyeonggi-do, KR;

Assignee:

SK hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/0862 (2016.01); G06F 12/02 (2006.01); G06F 12/0891 (2016.01); G06F 13/16 (2006.01); G06F 12/0844 (2016.01); G06F 12/128 (2016.01); G06F 12/0897 (2016.01); G06F 3/06 (2006.01); G06F 12/0811 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0862 (2013.01); G06F 12/0238 (2013.01); G06F 12/0891 (2013.01); G06F 13/1668 (2013.01);
Abstract

A data storage device includes a first memory device; a second memory device including a fetch region configured to store data evicted from the first memory device and a prefetch region divided into a plurality of sections; storage; and a controller configured to control the first memory device, the second memory device, and the storage. The controller may include a memory manager configured to select prefetch data having a set section size from the storage, load the selected prefetch data into the prefetch region and update the prefetch data based on a data read hit ratio of each of the plurality of sections.


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