| 摘要 |
A semiconductor memory apparatus includes a plurality of unit cell arrays having a plurality of word lines which are disposed in a row direction and a plurality of global bit lines which are disposed in a column direction; a row decoder configured to activate at least two word lines among the plurality of word lines in response to a row address which designates one word line; a global column switch block configured to select two different global bit lines among the plurality of global bit lines in response to column control signals; and a column decoder configured to generate the column control signals in response to a column address.
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