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:
Nov. 16, 2021
Filed:
Sep. 03, 2019
SK Hynix Inc., Gyeonggi-do, KR;
Tae Kyu Ryu, Gyeonggi-do, KR;
SK hynix Inc., Gyeonggi-do, KR;
Abstract
A data storage device may include a storage that store data in a plurality of physical storage spaces to which physical addresses are assigned, respectively, and a controller that control the storage, wherein the controller includes a mapping table of the physical addresses corresponding to logical addresses managed by a host, and wherein the controller is further configured to read data, in a primary read operation, from a physical storage space of a physical address corresponding to a logical address requested to be read by the host among the plurality of physical storage spaces according to the mapping table, obtain a normal physical address corresponding to the logical address requested to be read through the mapping table when the data read in the primary read operation is erased data; and read data, in a secondary read operation, from a physical storage space of the normal physical address.