| 摘要 |
A semiconductor storage device includes a timing allocation unit that sets refresh timing to preferentially perform a refresh operation for maintaining data and data access timing to preferentially perform a data access operation for reading or writing the data in accordance with a clock signal with respect to each memory bank including a plurality of memory cells, and a waiting unit that waits start of the data access operation until the data access timing is started in a case where a request for the data access operation is made during the refresh timing and waits start of the refresh operation until the refresh timing is started in a case where a request for the refresh operation is made during the data access timing.
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