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:
Dec. 20, 2022
Filed:
Mar. 15, 2021
Kioxia Corporation, Tokyo, JP;
Akio Sugahara, Yokohama Kanagawa, JP;
Akihiro Imamoto, Kawasaki Kanagawa, JP;
Toshifumi Watanabe, Yokohama Kanagawa, JP;
Mami Kakoi, Yokohama Kanagawa, JP;
Kohei Masuda, Yokohama Kanagawa, JP;
Masahiro Yoshihara, Yokohama Kanagawa, JP;
Naofumi Abiko, Kawasaki Kanagawa, JP;
KIOXIA CORPORATION, Tokyo, JP;
Abstract
A semiconductor memory device according to an embodiment includes a plurality of planes including a plurality of blocks each being a set of memory cells, and a sequencer configured to execute a first operation, and a second operation shorter than the first operation. Upon receiving a first command set that instructs execution of the first operation, the sequencer is configured to execute the first operation. Upon receiving a second command set that instructs execution of the second operation while the first operation is being executed, the sequencer is configured to suspend the first operation and execute the second operation or execute the second operation in parallel with the first operation, based on an address of a block that is a target of the first operation and an address of a block that is a target of the second operation.