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:
May. 12, 2026

Filed:

Jul. 10, 2024
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventors:

Takeshi Aoki, Ebina Kanagawa, JP;

Masaharu Wada, Yokohama Kanagawa, JP;

Mamoru Ishizaka, Hiratsuka Kanagawa, JP;

Assignee:

Kioxia Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 29/44 (2006.01);
U.S. Cl.
CPC ...
G11C 29/44 (2013.01);
Abstract

A memory device includes memory cells, first wirings extending along a first direction and connected to the cells, second wirings extending along a second direction and connected to the cells, the second direction intersecting the first direction, third wirings extending along a third direction and each connected to one or more second wirings, the third direction intersecting the first and second directions, sense circuits each connected to one or more third wirings, a switching circuit connected to the circuits and selectively outputting signals from the sense circuits, and a control circuit storing first addresses indicating second and third wirings connected to defective cells, and when a memory cell is selected, determining second addresses indicating second and third wirings connected to the selected cell, and based on the first and second addresses, controlling the switching circuit not to output signals from one or more sense circuits connected to the defective cells.


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