Methods and apparatus for soft data generation for memory devices based using reference cells

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United States of America Patent

PATENT NO 9378835
APP PUB NO 20110225350A1
SERIAL NO

13063895

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Abstract

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Methods and apparatus are provided for soft data generation for memory devices using reference cells. At least one soft data value is generated in a memory device by writing a known data to one or more reference cells; reading one or more of the reference cells; obtaining a read statistic based on the read one or more reference cells; and obtaining the at least one soft data value based on the obtained read statistic. The read statistics can optionally be obtained for one or more desired locations of a memory array; or for a given pattern, PATT, in one or more aggressor cells. The read statistic can optionally comprise asymmetric statistics obtained for a plurality of possible values.

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Patent Owner(s)

Patent OwnerAddress
SEAGATE TECHNOLOGY LLC47488 KATO ROAD FREMONT CA 94538

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Burger,, Jr Harley F San Jose, US 4 164
Haratsch, Erich F San Jose, US 166 2897
Ivkovic, Milos Sunnyvale, US 16 417
Krachkovsky, Victor Allentown, US 26 366
Miladinovic, Nenad Campbell, US 54 1009
Vityaev, Andrei San Jose, US 32 688
Yen, Johnson Fremont, US 73 832

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