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:
Mar. 01, 2022

Filed:

Sep. 15, 2020
Applicant:

Kioxia Corporation, Tokyo, JP;

Inventor:

Ryousuke Takizawa, Naka Kanagawa, JP;

Assignee:

KIOXIA CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 7/00 (2006.01); G11C 11/16 (2006.01);
U.S. Cl.
CPC ...
G11C 11/1675 (2013.01); G11C 11/1659 (2013.01); G11C 11/1673 (2013.01);
Abstract

According to one embodiment, a memory device includes first and second lines, a memory cell connected between the first and second lines, and including a resistance change memory element and a switching element, a current supply circuit supplying write current to the memory cell when data is written to the resistance change memory element, a detection circuit detecting an on state of the switching element after supply operation of the write current is enabled, and a control circuit controlling a time required until supplying the write current from the current supply circuit is stopped, wherein a starting point of the controlling the time is a time point at which the on state of the switching element is detected.


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