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. 15, 2022
Filed:
Mar. 17, 2020
SK Hynix Inc., Gyeonggi-do, KR;
Young Ick Cho, Seoul, KR;
Sung Kwan Hong, Seoul, KR;
Byeong Gyu Park, Seongnam-si, KR;
Sung Hun Jeon, Yongin-si, KR;
SK hynix Inc., Icheon-si, KR;
Abstract
A data storage device includes a memory array including a plurality of memory cells; and a controller in communication with the memory array and configured to: store, in a map update buffer, one or more map segments including one or more logical address to be unmapped; determine, among logical address to physical address (L2P) entries of the one or more map segments stored in the map update buffer, L2P entries having the same memory block number; and selectively perform a first unmap operation or a second unmap operation according to whether all the L2P entries stored in the map update buffer have the same memory block number.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile