| 摘要 |
A semiconductor memory cell device includes a first multiplexer selecting a sub-block including a memory cell storing data to be read out in a row, a drain selector selecting a first column line connected to one terminal of the memory cell to be read, a precharge selector selecting a second column line connected to the other terminal of the memory cells adjacent to the one terminal of the memory cell storing the data to be readout, a second multiplexer selecting the sub-block including the second column line, a source selector selecting a third column line connected to the other terminal of the memory cell storing the data to be read out. The second multiplexer and precharge selector, when selecting, apply a first voltage to the second column line, and the source selector, when selecting, applies a second voltage to the third column line.
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