Methods for reading and programming 1-R resistive change element arrays
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United States of America Patent
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Mar 29, 2016
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app pub date -
Jan 22, 2015
filing date -
Jan 22, 2015
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Abstract
Methods for reading and programming one or more resistive change elements within a 1-R resistive change element array are disclosed. These methods include using measurement and storage elements to measure the electrical response of one or more selected cells within an array and then comparing that stored electrical response to the electrical response of a reference element within the array to determine the resistive state of the one or more selected cells. These methods also include programming methods wherein selectable current limiting elements are used to permit or inhibit programming currents from flowing through selected and unselected cells, respectively. These methods further include programming methods that use specific biasing of array lines to provide sufficient programming currents through only selected cells.
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