MULTI-LAYER MEMORY SYSTEM HAVING MULTIPLE PARTITIONS IN A LAYER
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United States of America Patent
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app pub date -
Sep 9, 2016
filing date -
Dec 31, 2012
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Abandoned
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Abstract
A multi-layer memory and method for operation is disclosed. The memory includes multiple layers, where each layer includes flash memory cells having a greater bit per cell capacity than then prior layer and each layer may include a plurality of partitions having blocks exclusively associated with a particular data type. The method may include the steps of directing host data directly into a particular partition of a particular layer of the multi-layer memory upon receipt depending on a type of the data. The method may also include copying data within the same partition in a respective layer in a data relocation operation to generate more free blocks of memory so that data preferably stays within each layer and in the same partition, as well as transferring data from one layer to the next higher bit per cell layer within a same partition when layer transfer criteria are met.
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