Harness, Dickey & Pierce, P.L.C.
Integrated circuit detecting frequency and phase of clock signal and clock and data recovery circuit including the integrated circuit
An integrated circuit includes: a phase-shifted data signal generation circuit configured to generate a plurality of phase-shifted data signals from an input data signal based on at least one phase-shifted clock signal; a synchronization circuit configured to generate a plurality of synchronization data signals by applying the at least one phase-shifted clock signal to the plurality of phase-shifted data signals provided by the phase-shifted data signal generation circuit; and a control signal generation circuit configured to perform logic operations on the plurality of synchronization data signals to generate a phase control signal for controlling a phase of the at least one phase-shifted clock signal, and generate a frequency control signal for controlling a frequency of the at least one phase-shifted clock signal.
Samsung Electronics Co., Ltd.
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Myoung-bo Seong-kyun Jung-myung Dae-wung Chang-zhi Jong-shin Jin-wook
Kwak Shin Choi Lee Yu Shin Burm