| 摘要 |
A semiconductor storage device which includes a memory array including a plurality of memory cells for storing data by using a difference in a threshold voltage and at least one reference cell for storing data indicative of a state of a corresponding memory cell by using a difference in a threshold voltage, a control circuit for determining a read voltage based on data stored by a reference cell corresponding to a memory cell adjacent to a memory cell to be read, a read unit for executing reading from a memory cell to be read by using a determined read voltage, and a write unit for executing writing, when executing writing to a memory cell to be written to bring the memory cell into a written state, data indicating that the memory cell is in the written state to a reference cell corresponding to the memory cell.
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