Invention Publication
- Patent Title: SPIN-ORBIT TORQUE MAGNETIC RANDOM ACCESS MEMORY CIRCUIT AND LAYOUT THEREOF
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Application No.: US17707934Application Date: 2022-03-29
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Publication No.: US20230282261A1Publication Date: 2023-09-07
- Inventor: Chun-Yen Tseng , Yu-Tse Kuo , Shu-Ru Wang , Jen-Yu Wang , Li-Ping Huang , Yi-Ting Wu , Jia-Rong Wu , Chun-Hsien Huang
- Applicant: UNITED MICROELECTRONICS CORP.
- Applicant Address: TW Hsin-Chu City
- Assignee: UNITED MICROELECTRONICS CORP.
- Current Assignee: UNITED MICROELECTRONICS CORP.
- Current Assignee Address: TW Hsin-Chu City
- Priority: CN 2210207577.4 2022.03.04
- Main IPC: G11C11/16
- IPC: G11C11/16 ; H01L43/02 ; H01L43/08 ; H01L27/22

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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