| 摘要 |
Magnetic random access memories (MRAM) are disclosed. The MRAM stores multi-level data by electronically coupling one diode and a plurality of resistance transfer devices, thereby improving a storage capacity and property of the device and achieving high integration thereof. The MRAM may also include a diode, a word line electrically coupled to the diode, a connection layer electrically coupled to the diode; and a plurality of connection pairs each comprising a resistance transfer device and a bit line electrically coupled to the resistance transfer device. One of the connection pairs may be formed on the connection layer, and the bit line of another connection pair may be perpendicular to the bit line of the first connection pair.
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