Magnetic random access memory and preparation method thereof
A random access memory, magnetic technology, applied in static memory, digital memory information, information storage and other directions, can solve the problem of limited writing speed, difficult to meet the cache, weak and other problems
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[0040] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0041] Figure 1( Figure 1(a)-1(d) ) shows a schematic diagram of the MRAM structure and read / write operations.
[0042] Specifically, as shown in Figure 1(a), the MRAM memory unit with STT / SOT writing function is a three-terminal device, including port 1 (Terminal I) providing SOT writing signal, connected to SL / BL Port 2 (Terminal II), po...
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