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Method of driving multi-level variable resistive memory device and multi-level variable resistive memory device

机译:驱动多级可变电阻存储器件的方法和多级可变电阻存储器件

摘要

Disclosed is a method of driving a multi-level variable resistive memory device. A method of driving a multi-level variable resistive memory device includes supplying a write current to a variable resistive memory cell so as to change resistance of the variable resistive memory cell, verifying whether or not changed resistance enters a predetermined resistance window, the intended resistance window depending on the resistance of reference cells, and supplying a write current having an increased or decreased amount from the write current supplied most recently on the basis of the verification result so as to change resistance of the variable resistive memory cell.
机译:公开了一种驱动多级可变电阻存储器件的方法。一种驱动多级可变电阻存储器件的方法,包括向可变电阻存储单元提供写电流,以改变可变电阻存储单元的电阻,验证改变后的电阻是否进入预定的电阻窗口,即预定电阻。窗口根据参考单元的电阻,并根据验证结果提供与最近提供的写电流相比增加或减少的写电流,以改变可变电阻存储单元的电阻。

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