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:
Jan. 14, 2025
Filed:
Sep. 16, 2022
Samsung Electronics Co., Ltd., Suwon-si, KR;
Younghyun Ji, Hwaseong-si, KR;
Jisoo Kim, Seongnam-si, KR;
Kyungwoo Noh, Yongin-si, KR;
Kyungjin Lee, Seoul, KR;
SAMSUNG ELECTRONICS CO., LTD., Suwon-si, KR;
Abstract
A storage device includes a memory device including user memory blocks providing a user data region; and a controller configured to: map logical addresses used in a host to a portion of the user data region, and use a remaining portion of the user data region as an over-provisioning region, wherein the controller is further configured to control the memory device to: erase the user memory blocks based on a sanitize command from the host, provide, to the host, block address information of the user memory blocks based on a block address request from the host, access the user memory blocks based on block state check requests from the host, and provide, to the host, state information indicating whether the user memory blocks are erased according to access results.