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:
Jun. 24, 2025

Filed:

Mar. 29, 2022
Applicant:

United Microelectronics Corp., Hsin-Chu, TW;

Inventors:

Chun-Yen Tseng, Tainan, TW;

Yu-Tse Kuo, Tainan, TW;

Shu-Ru Wang, Taichung, TW;

Jen-Yu Wang, Tainan, TW;

Li-Ping Huang, Miaoli County, TW;

Yi-Ting Wu, Tainan, TW;

Jia-Rong Wu, Kaohsiung, TW;

Chun-Hsien Huang, Tainan, TW;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11C 11/00 (2006.01); G11C 11/16 (2006.01); H10B 61/00 (2023.01); H10N 50/10 (2023.01); H10N 50/80 (2023.01);
U.S. Cl.
CPC ...
G11C 11/161 (2013.01); G11C 11/1655 (2013.01); G11C 11/1657 (2013.01); G11C 11/1673 (2013.01); G11C 11/1675 (2013.01); H10B 61/22 (2023.02); H10N 50/10 (2023.02); H10N 50/80 (2023.02);
Abstract

The present invention provides a spin-orbit torque magnetic random access memory (SOT-MRAM) circuit, including a read transistor pair with two read transistors in parallel, a write transistor pair with two write transistors in parallel, a SOT memory cell with a magnetic tunnel junction (MTJ) and a SOT layer, wherein one end of the MTJ is connected to the source of the read transistor pair and the other end of the MTJ is connected to the SOT layer, and one end of the SOT layer is connected to a source line and the other of the SOT layer is connected to the source of the write transistor pair, a read bit line is connected to the drain of the read transistor pair and a write bit line is connected to the drain of the read transistor.


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