Threshold estimation using bit flip counts and minimums

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United States of America Patent

PATENT NO 9812193
SERIAL NO

14480988

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Abstract

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A bit flip count is determined for each bin in a plurality of bins, including by: (1) performing a first read on a group of solid state storage cells at a first threshold that corresponds to a lower bound for a given bin and (2) performing a second read on the group of solid state storage cells at a second threshold that corresponds to an upper bound for the given bin. A minimum is determined using the bit flip counts corresponding to the plurality of bins and the minimum is used to estimate an optimal threshold.

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Patent Owner(s)

  • SK HYNIX INC.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bellorado, Jason San Jose, US 120 736
Lee, Frederick K H Mountain View, US 32 150
Tang, Xiangyu San Jose, US 47 334
Tsang, Christopher S Santa Clara, US 2 18
Wu, Zheng San Jose, US 137 912

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