Skew calibration means and a method of skew calibration

  • US 6,820,234 B2
  • Filed: 10/01/2001
  • Issued: 11/16/2004
  • Est. Priority Date: 06/29/1998
  • Status: Expired due to Term
First Claim
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1. An apparatus for high speed communication, comprising:

  • a plurality of driving registers, each driving register having a plurality of inputs and outputs, at least one output of each said driving register connectable to at least one communication line, said driving registers latching transmitted signals;

    a plurality of receiving registers, each receiving register having a plurality of inputs and outputs, at least one input of each said receiving register connectable to at least one said communication line, said receiving registers latching received signals;

    a main clock for generating a main clock signal;

    a reference clock for generating a reference signal for calibrating the receiving registers;

    said reference clock being associated with said main clock;

    a first set of phase shift means associated with said plurality of driving registers, for the relative alignment of the driving registers'"'"' timing within the plurality of driving registers.

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