Data storage device for compressing input data
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United States of America Patent
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Nov 19, 2019
Grant Date -
Jan 25, 2018
app pub date -
Jan 19, 2017
filing date -
Jul 19, 2016
priority date (Note) -
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status (Latency Note)
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Abstract
A data storage device may include: a memory cell array, a data buffer configured to generate a data chunk including a plurality of pages from input data provided from a host, a data compressor configured to compress the data chunk and output the compressed data chunk as write data, a write queue configured to store the write data on a page basis, a mapping table configured to store a mapping relationship between a logical address and a data chunk address, and a mapping relationship between the data chunk address and a physical address; and a controller configured to control an operation of storing the write data outputted from the write queue in the memory cell array such that a page including both a part of any one compressed data chunk and a part of another compressed data chunk is written to the memory cell array.
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