Phase Aligned Clock Multiplier

Phase Aligned Clock Multiplier is designed for high performance applications where high-speed clocks are needed including PCs, workstations, and telecom applications. In this paper, a clock multiplier is designed based on the ideology of phase locked loops. It has the following features: • operating supply voltage is 1.8V; • input frequency range is 10-83.33MHz; • output frequency range is 5-166.67MHz; • input-to-output skew is 200ps; • 3-multiplier configuration; • output selectable pin phase alignment; • single phase locked loop architecture; • internal loop filter