所述存 储器阵列包括M行和N列存储器单元以及列虚设单元。

The memory array includes M rows and N columns of memory cells and a column of dummy cells.

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所述虚设字线驱动器驱动用于所述列虚设单元中的至少一个虚设单元的虚设字线。

The dummy word line driver drives a dummy word line for at least one dummy cell in the column of dummy cells.

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