Semiconductor storage device
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United States of America Patent
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Jun 23, 2015
Grant Date -
Feb 5, 2015
app pub date -
Oct 17, 2014
filing date -
May 9, 2011
priority date (Note) -
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Abstract
A memory includes a semiconductor substrate. Magnetic tunnel junction elements are provided above the semiconductor substrate. Each of the magnetic tunnel junction elements stores data by a change in a resistance state, and the data is rewritable by a current. Cell transistors are provided on the semiconductor substrate. Each of the cell transistors is in a conductive state when the current is applied to the corresponding magnetic tunnel junction element. Gate electrodes are included in the respective cell transistors. Each of the gate electrodes controls the conductive state of the corresponding cell transistor. In active areas, the cell transistors are provided, and the active areas extend in an extending direction of intersecting the gate electrodes at an angle of (90-atan(⅓)) degrees.
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