Dae-Kun Yoon

Semiconductor device and operation method thereof

RING OSCILLATOR AND MULTI-PHASE CLOCK CORRECTION CIRCUIT USING THE SAME

SEMICONDUCTOR DEVICE INCLUDING PHASE DETECTOR

Duty detection circuit

Quadrature phase correction circuit

BIAS VOLTAGE GENERATION CIRCUIT AND CLOCK SYNCHRONIZING CIRCUIT

RING OSCILLATOR FOR GENERATING OSCILLATING CLOCK SIGNAL

LOW PASS FILTER AND LOCK DETECTOR CIRCUIT

Flip-flop circuit and duty ratio correction circuit using the same

APPARATUS AND METHOD FOR DETECTING DUTY RATIO OF SIGNALS IN SEMICONDUCTOR DEVICE CIRCUIT