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:
Oct. 10, 2023

Filed:

Nov. 15, 2021
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventor:

Yaron Klein, Raanana, IL;

Assignee:

KIOXIA CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01); G06F 3/06 (2006.01); G06F 12/1009 (2016.01);
U.S. Cl.
CPC ...
G06F 3/0652 (2013.01); G06F 3/0604 (2013.01); G06F 3/0673 (2013.01); G06F 12/1009 (2013.01); G06F 2212/1044 (2013.01); G06F 2212/657 (2013.01);
Abstract

Various implementations described herein relate to systems and methods for managing selective erasure in a Solid-State Drive (SSD) including receiving a selective erase command corresponding to erasing valid and invalid data mapped to a logical address and in response to receiving the selective erase command, erasing blocks in which one or more pages mapped to the logical address are located based on a mapping table that maps the logical address to the one or more pages. Both valid data and invalid data may be physically stored in one or more pages.


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