Magnetic memory with separate read and write paths
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United States of America Patent
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Feb 1, 2011
Grant Date -
Feb 11, 2010
app pub date -
Dec 2, 2008
filing date -
Aug 8, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
Magnetic memory having separate read and write paths is disclosed. The magnetic memory unit includes a ferromagnetic strip having a first end portion with a first magnetization orientation, an opposing second end portion with a second magnetization orientation, and a middle portion between the first end portion and the second end portion, the middle portion having a free magnetization orientation. The first magnetization orientation opposes the second magnetization orientation. A tunneling barrier separates a magnetic reference layer from the middle portion forming a magnetic tunnel junction. A bit line is electrically coupled to the second end portion. A source line is electrically coupled to the first end portion and a read line is electrically coupled to the magnetic tunnel junction.
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