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:
Oct. 21, 2025
Filed:
Aug. 30, 2023
Kioxia Corporation, Tokyo, JP;
Hiroshi Maejima, Tokyo, JP;
Kioxia Corporation, Tokyo, JP;
Abstract
A semiconductor memory device includes first, second, and third chips. The first chip includes a first memory cell. The second chip includes a second memory cell. The third chip includes a row decoder and a sense amplifier. The first and second memory cells are commonly connected to the row decoder via a first word line. The first and second memory cells are connected to the sense amplifier via first and second bit lines, respectively. The sense amplifier includes a first node selectively connectable to the first and second bit lines. The sense amplifier is configured to sense a voltage at the first node to read data in the first memory cell when the first node is connected to the first bit line and sense the voltage at the first node to read data in the second memory cell when the first node is connected to the second bit line.