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UPDATING READ VOLTAGES

  • US 20170148510A1
  • Filed: 12/31/2016
  • Published: 05/25/2017
  • Est. Priority Date: 05/31/2013
  • Status: Abandoned Application
First Claim
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1. A data storage device comprising:

  • a non-volatile memory;

    a read voltage update engine configured to generate first representations of data read from a logical page of the non-volatile memory according to multiple values of a first read voltage and multiple values of a second read voltage and to select a value of the first read voltage and a value of the second read voltage based on the first representations;

    a hard bit generator configured to emulate reading the data from the non-volatile memory according to the selected values of the first read voltage and the second read voltage to generate a hard bits corresponding to the data; and

    a soft bit generator configured to generate soft bits at least partially based on a second representation of the data, the second representation of the data generated to emulate reading the data from the non-volatile memory according to second values of the first read voltage and the second read voltage that are offset from the selected values of the first read voltage and the second read voltage.

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