Memory card and method for storing data on memory card
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United States of America Patent
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Nov 27, 2012
Grant Date -
Feb 7, 2008
app pub date -
Aug 3, 2007
filing date -
Aug 4, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A memory card, connected to a host, includes a NAND flash memory and a memory controller. The NAND flash memory includes multiple pages, and each page includes multiple sectors. The memory controller receives sector data and a corresponding sector address from the host. The memory controller enables the sector data to be transferred to the NAND flash memory over a first data bus, via a buffer memory, when the sector address is an address for accessing a first sector in a selected page. The memory controller enables the sector data to be transferred to the NAND flash memory over a second data bus, bypassing the buffer memory, when the sector address is an address for accessing a sector other than the first sector in the selected page.
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