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:
Apr. 16, 2024

Filed:

Jun. 16, 2022
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventor:

Yosuke Kobayashi, Seoul, KR;

Assignee:

Kioxia Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/22 (2006.01); G11C 7/08 (2006.01); G11C 13/00 (2006.01);
U.S. Cl.
CPC ...
G11C 13/004 (2013.01); G11C 7/08 (2013.01); G11C 13/0038 (2013.01); G11C 13/0069 (2013.01);
Abstract

A memory cell is coupled between first and interconnects and includes a variable resistance element and a switching element. The variable resistance element includes first and second ferromagnetic layers and an insulating layer between the first and second ferromagnetic layers. A first circuit is configured to apply a first voltage to the first interconnect. A second circuit is configured to apply a second voltage to the second interconnect. A third circuit is configured to apply a third voltage to the second interconnect. A fourth circuit is configured to apply a fourth voltage to the first interconnect. A sense amplifier circuit is coupled to the first and second interconnects.


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