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:
Jul. 28, 2020
Filed:
Aug. 10, 2018
SK Hynix Inc., Gyeonggi-do, KR;
Hae-Gi Choi, Gyeonggi-do, KR;
Kyeong-Rho Kim, Gyeonggi-do, KR;
Su-Chang Kim, Gyeonggi-do, KR;
Jin-Woong Kim, Gyeonggi-do, KR;
Hui-Won Lee, Seoul, KR;
Eun-Soo Jang, Gyeonggi-do, KR;
SK hynix Inc., Gyeonggi-do, KR;
Abstract
A memory system includes a nonvolatile memory device including a plurality of memory blocks each including a plurality of pages; and a controller suitable for, when writing a plurality of data in the pages according to a write request from a host, writing the plurality of data with tags, classified into N number of kinds depending on a usage pattern of each data, together in the pages. The controller manages a list of victim blocks as a target of a merge operation, the controller manages entire valid pages included in the victim blocks, by classifying them into N number of page groups depending on a kind of each of the entire valid pages, and the controller selects valid pages to be moved to a free block in the merge operation, among the entire valid pages, and N may be a natural number of 2 or greater.