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Data equalizing circuit and data equalizing method

  • US 8,817,866 B2
  • Filed: 02/28/2012
  • Issued: 08/26/2014
  • Est. Priority Date: 12/29/2011
  • Status: Active Grant
First Claim
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1. A data equalizing circuit comprising:

  • an equalizer configured to output data according to a control code; and

    a detection unit configured to divide the data into N number of calculation periods, count data transition frequencies for the N calculation periods, calculate dispersion values of the data transition frequencies for the N calculation periods, and output the control code corresponding to a largest dispersion value, in response to a counting interruption signal and a counting completion signal,wherein n is equal to or greater than 2, N is greater than n, and the data is divided to n number of unit intervals (UI), andwherein a phase shift of each of the calculation periods with respect to its corresponding UI is different from a phase shift of any of the other calculation periods with respect to its corresponding UI.

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