STORAGE DEVICE EQUIPPED WITH NAND FLASH MEMORY AND METHOD FOR STORING INFORMATION THEREOF
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United States of America Patent
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Issued Date -
Oct 2, 2008
app pub date -
Feb 6, 2008
filing date -
Apr 2, 2007
priority date (Note) -
Abandoned
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Abstract
A storage device equipped with NAND flash memory and method for storing information thereof includes a SLC processing structure to provide fast information access and improve processing performance and a MLC processing structure to increase data density of each storage unit and reduce the cost and size of each unit of information. The data storing method includes storing important information such as operating system programs, application programs and information that have been accessed frequently in the SLC processing structure, and storing ordinary information in the MLC processing structure to reduce the cost and size of each unit of information.
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