| 摘要 |
A semiconductor memory device includes: a plurality of write control circuits; a plurality of memory cells grouped in the write control circuits; a plurality of write drivers that write data to a corresponding memory cell when the write control circuit is activated; and a main control circuit that causes the write control circuits to become active in response to presence of a data writing request to the memory cells belonging to a predetermined group and subsequent absence of the data writing request to the memory cells belonging to the same group within a predetermined period.
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