| 摘要 |
According to one embodiment, in a nonvolatile semiconductor memory device, a data latch circuit which is connected to a sense amplifier circuit controls a data writing operation and a data reading operation to and from a nonvolatile memory cell array through a data bus, and outputs the stored data to the data bus when the sense amplifier circuit performs the data writing operation. The data latch circuit is provided with two nodes respectively storing and outputting normal data and reverse data which are connected to the data bus.
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