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:
Jan. 03, 2023

Filed:

Mar. 29, 2021
Applicant:

SK Hynix Inc., Gyeonggi-do, KR;

Inventors:

Dong Wook Kim, Gyeonggi-do, KR;

Dong Ham Yim, Gyeonggi-do, KR;

Joon Ho Lee, Gyeonggi-do, KR;

Assignee:

SK hynix Inc., Gyeonggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/02 (2006.01); G06F 12/0882 (2016.01); G06F 12/0891 (2016.01);
U.S. Cl.
CPC ...
G06F 12/0246 (2013.01); G06F 12/0253 (2013.01); G06F 12/0882 (2013.01); G06F 12/0891 (2013.01); G06F 2212/7201 (2013.01);
Abstract

The present technology relates to an electronic device. A storage device includes a memory device including pages, a buffer memory configured to store address mapping information including a mapping relationship between logical addresses provided from a host and physical addresses corresponding to the pages, first trim bitmap information including trim information of first logical address groups each including a first number of logical addresses having at least two of the logical addresses, and second trim bitmap information including trim information of second logical address groups each including a second number of logical addresses greater than the first number of the logical addresses, and a memory controller configured to change, based on a number of trim-requested logical addresses from the host, map states of the trim-requested logical addresses in one of the address mapping information, the first trim bitmap information, and the second trim bitmap information.


Find Patent Forward Citations

Loading…