| 摘要 |
A semiconductor storage device includes a normal area that contains a plurality of memory cells and a redundancy area that contains a plurality of memory cells. The semiconductor storage device further includes a delaying unit that changes, between a first mode in which both the normal area and the redundancy area are used and a second mode in which only the normal area is used without use of the redundancy area, a timing for issuing a cell-array control signal for selecting a memory cell from among the memory cells used in a corresponding mode.
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