Apparatus and method of page program operation for memory devices with mirror back-up of data
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United States of America Patent
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Nov 15, 2011
Grant Date -
Jun 2, 2011
app pub date -
Feb 7, 2011
filing date -
Feb 22, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method of page program operation is provided. When performing a page program operation with a selected memory device, a memory controller loads the data into the page buffer of one selected memory device and also into the page buffer of another selected memory device in order to store a back-up copy of the data. In the event that the data is not successfully programmed into the memory cells of the one selected memory device, then the memory controller recovers the data from the page buffer of the other memory device. Since a copy of the data is stored in the page buffer of the other memory device, the memory controller does not need to locally store the data in its data storage elements.
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