Flash EEPROM system with simultaneous multiple data sector programming and storage of physical block characteristics in other designated blocks
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United States of America Patent
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Feb 15, 2011
Grant Date -
Mar 18, 2010
app pub date -
Nov 23, 2009
filing date -
Feb 17, 2000
priority date (Note) -
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Abstract
A non-volatile memory system is formed of floating gate memory cells arranged in blocks as the smallest unit of memory cells that are erasable together. One feature is the storage in separate blocks of the characteristics of a large number of blocks of cells in which user data is stored. According to another feature, multiple sectors of user data are stored at one time by alternately streaming chunks of data from the sectors to multiple memory blocks. Yet another feature, for memory systems having multiple memory integrated circuit chips, provides a single system record that includes the capacity of each of the chips and assigned contiguous logical address ranges of user data blocks within the chips which the memory controller accesses when addressing a block, making it easier to manufacture a memory system with memory chips having different capacities.
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