Hybrid programming methods and systems for non-volatile memory storage elements
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United States of America Patent
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Jun 14, 2011
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Apr 10, 2008
app pub date -
Sep 26, 2006
filing date -
Sep 26, 2006
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Abstract
A hybrid method of programming a non-volatile memory cell to a final programmed state is described. The method described is a more robust protocol suitable for reliably programming selected memory cells while eliminating programming disturbs. The hybrid method comprises programming the non-volatile memory cell to a first state according to a first coarse programming mechanism, and programming the non-volatile memory cell according to a second different more precise programming mechanism thereby completing the programming of the non-volatile memory cell to the final programmed state. Additionally, the described method is particularly advantageous for programming multilevel chips.
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