| 摘要 |
A semiconductor memory apparatus comprises first and second memory blocks each comprising semiconductor elements coupled to first and second local line groups, a first switching circuit configured to couple a first global line group to the first local line group of the first memory block in response to a block selection signal, a second switching circuit configured to couple a second global line group to the second local line groups of the first and second memory blocks in response to the block selection signal, and a third switching circuit configured to couple the first global line group to the first local line group of the second memory block in response to the block selection signal.
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