Use of 8-bit or higher A/D for NAND cell value
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United States of America Patent
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Mar 31, 2009
Grant Date -
Nov 15, 2007
app pub date -
Mar 30, 2007
filing date -
May 15, 2006
priority date (Note) -
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Abstract
A system and method, including computer software, for storing digital information uses multiple NAND flash memory cells. Each memory cell is adapted to receive charge during a write operation to an analog voltage that corresponds to a data value having a binary representation of more than 4 bits. An analog-to-digital converter converts the analog voltage from each memory cell into a digital representation of the analog voltage during a read operation of each cell.
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