Variable resistance memory device
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United States of America Patent
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Jun 28, 2016
Grant Date -
N/A
app pub date -
Sep 8, 2015
filing date -
Sep 8, 2015
priority date (Note) -
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Abstract
A resistance variable memory includes a plurality of first wires, a plurality of second wires, a controller, a memory cell array, a second current rectifying element and a second variable resistance element, an access controller, a first contact plug, and a second contact plug. The access controller switches the second variable resistance element to a low resistance state or a high resistance state in accordance with a voltage applied to the memory cell connected in series. The first contact plug is connected to the even-numbered first wire in the second direction from the substrate via the corresponding access controller. The second contact plug is connected to the odd-numbered first wire in the second direction from the substrate via the corresponding access controller.
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