| 摘要 |
According to an aspect of one embodiment, it is provided that semiconductor memory device determining a data read time required to read data from a memory cell by an operation to read a replica cell to which a replica bit line having a load equivalent to a bit line to be connected to the memory cell and a replica word line are connected, the semiconductor memory device comprising: a write control signal generating unit that includes logic gates coupled in multi stages for receiving an input of a replica word line activating signal generated in response to a driving signal for driving the replica word line, the write control signal generating unit generating a write control signal to determine a data write time required to write data in the memory cell based on the replica word line activating signal.
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