Invention Grant
US07643344B2 Variable resistive memory 有权
可变电阻存储器

Variable resistive memory
Abstract:
A variable resistive memory device includes memory sectors, memory cells in each of the memory sectors, sub-wordlines including a first in signal communication with at least a first pair of the memory cells in a first sector and a second in signal communication with at least a second pair of the memory cells in a second sector, local bitlines where each is in signal communication a memory cell, a local bitline selecting signal generator in signal communication with local bitline selecting signal paths, a first local bitline selecting signal path in signal communication with a first pair of the local bitlines, and a second local bitline selecting signal path in signal communication with a second pair of the plurality of local bitlines, where a first of the first pair of local bitlines is in signal communication with a first of the first pair of the memory cells in the first sector and a second of the first pair of local bitlines is in signal communication with a second of the second pair of the memory cells in the second sector, and a first of the second pair of local bitlines is in signal communication with a second of the first pair of the memory cells in the first sector and a second of the second pair of local bitlines is in signal communication with a first of the second pair of the memory cells in the second sector.
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