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:
Dec. 02, 2025

Filed:

Feb. 15, 2023
Applicant:

Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;

Inventors:

Po-Hao Lee, Hsinchu, TW;

Yi-Chun Shih, Taipei, TW;

Chia-Fu Lee, Hsinchu, TW;

Yu-Der Chih, Hsin-Chu, TW;

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

A semiconductor device includes a plurality of memory cells, a first reference cell connected to a first subset of the plurality of memory storage cells via a first common source line, and a second reference cell connected to a second subset of the plurality of memory storage cells via a second common source line. The semiconductor device also includes a sense amplifier configured to, when reading from a first memory cell of the first subset, receive an output from the second reference cell and an output from the first memory cell.


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