Reliable data storage in analog memory cells subjected to long retention periods
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United States of America Patent
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May 1, 2012
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app pub date -
Sep 1, 2009
filing date -
Sep 2, 2008
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Abstract
A method for data storage in a non-volatile memory includes storing data in the non-volatile memory using a first storage configuration while the non-volatile memory is supplied with electrical power. After storing the data, an indication is accepted, indicating that shut-off of the electrical power is imminent. Responsively to the indication and before the shut-off, at least some of the data is re-programmed in the non-volatile memory using a second storage configuration.
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