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MRAM device with improved stack structure and offset field for low-power toggle mode writing
MRAM device with improved stack structure and offset field for low-power toggle mode writing
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机译:具有改进的堆栈结构和偏移字段的MRAM器件,用于低功耗触发模式写入
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摘要
A magnetic random access memory (MRAM) device includes a reference magnetic region having a resultant magnetic moment vector generally maintained in a desired orientation without the use of exchange coupling thereto. A storage magnetic region has an anisotropy easy axis and a resultant magnetic moment vector oriented in a position parallel or antiparallel to that of the reference magnetic region. A tunnel barrier is disposed between the reference magnetic region and the storage magnetic region, with the reference magnetic region, storage magnetic region and tunnel barrier defining a storage cell configured for a toggle mode write operation. The storage cell has an offset field applied thereto so as to generally maintain the resultant magnetic moment vector of the reference magnetic region in the desired orientation.
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