Patent ID: 9485081
Filing Date: 2016-11-01
CPC Classification: H04L

Claim Text:
1. A skew compensation apparatus, comprising: a plurality of data receivers each configured to delay a data signal supplied through a corresponding data line based on associated phase difference data and to output a delayed data signal of a plurality of delayed data signals; a clock receiver configured to receive a clock signal supplied through a clock line; and a phase controller configured to select one of the plurality of data receivers and to output, to the selected data receiver, a phase control signal configured to correct phase difference data of the selected data receiver based on a phase difference between a corresponding delayed data signal output from the selected data receiver and the clock signal, the phase controller comprising a multiplexer configured to output the corresponding delayed data signal output from the selected data receiver, the corresponding delayed data signal being selected from among the plurality of delayed data signals output from the plurality of data receivers.