Volatile memory, memory module including the same, and method for operating the memory module
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United States of America Patent
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Nov 13, 2018
Grant Date -
Feb 1, 2018
app pub date -
Oct 11, 2017
filing date -
Apr 7, 2014
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Abstract
A memory module includes an emergency power supplier, a plurality of ranks each including one or more volatile memories, a non-volatile memory, and a controller suitable for backing up data of the ranks into the non-volatile memory by using the emergency power supplier during a power failure, wherein the ranks are sequentially backed up, and while one rank is backed up among the ranks, the other ranks are controlled in a self-refresh mode.
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