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. 26, 2024
Filed:
Feb. 03, 2022
Applicant:
Kioxia Corporation, Tokyo, JP;
Inventors:
Takuzo Watanabe, Kawasaki Kanagawa, JP;
Shigeo Kurakata, Fujisawa Kanagawa, JP;
Katsuhiko Iwai, Yokohama Kanagawa, JP;
Assignee:
Kioxia Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 3/06 (2006.01);
U.S. Cl.
CPC ...
G06F 3/0655 (2013.01); G06F 3/0604 (2013.01); G06F 3/0679 (2013.01);
Abstract
A memory system comprises a nonvolatile memory including a plurality of blocks, a memory controller capable of controlling the nonvolatile memory, and a tag information management table in which tag information allocated to an address of data written to a block of nonvolatile memory, is stored, wherein the tag information is representative of the number of erasures of the block. The memory controller performs garbage collection of the nonvolatile memory based on the tag information.