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:
May. 04, 2021
Filed:
Mar. 02, 2020
Applicant:
Taiwan Semiconductor Manufacturing Co., Ltd., Hsinchu, TW;
Inventors:
Wen-Chin Lin, Hsinchu, TW;
Hung-Chang Yu, Hsinchu, TW;
Assignee:
Taiwan Semiconductor Manufacturing Company, Ltd., Hsinchu, TW;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/16 (2006.01);
U.S. Cl.
CPC ...
G11C 11/1675 (2013.01); G11C 11/1655 (2013.01); G11C 11/1657 (2013.01); G11C 11/1659 (2013.01); G11C 11/1673 (2013.01);
Abstract
A method to control a memory cell in a memory device, where the memory cell includes a switch, a memory element and a negative resistance device coupled in series, the method includes: determine whether the memory cell is in a read operation or not; during the read operation in the memory cell, apply a read voltage greater than a predetermined threshold voltage of the negative resistance device for making the negative resistance device entering into a negative resistance state. A memory device that includes a memory cell array is also provided.