| 摘要 |
A data register structure includes a plurality of memory cells connected to a word line and grouped into groups assigned to respective different addresses, each of the memory cells being connected to first and second bit lines paired, a write control unit for controlling potentials of the first and second bit lines connected to memory cells into which data is to be written, and a read control unit for detecting potentials of either first or second bit lines connected to memory cells from which data is to be read.
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