CY2544 CY2546 CY2548
Quad PLL Programmable Clock Generator with Spread Spectrum
Quad PLL Programmable Clock Generator w...
CY2544 CY2546 CY2548
Quad PLL Programmable Clock Generator with Spread Spectrum
Quad PLL Programmable Clock Generator with Spread Spectrum
Features
■ Four fully integrated phase locked loops (PLLs) ■ Input frequency range
❐ External crystal: 8 to 48 MHz for CY2544 and CY2546 ❐ External reference: 8 to 166 MHz clock ■ Reference clock input
voltage range ❐ 2.5 V, 3.0 V, and 3.3 V for CY2548 ❐ 1.8 V for CY2544 and CY2546 ■ Wide operating output frequency range ❐ 3 to 166 MHz ■ Programmable spread spectrum with center and down spread option and Lexmark and Linear modulation profiles ■ VDD supply
voltage options: ❐ 2.5 V, 3.0 V, and 3.3 V for CY2544 and CY2548 ❐ 1.8 V for CY2546 ■ Selectable output clock
voltages: ❐ 2.5 V, 3.0 V, and 3.3 V for CY2544 and CY2548 ❐ 1.8 V for CY2546 ■ Frequency select feature with option to select eight different frequencies over nine clock outputs ■ Power down, output enable, and SS ON/OFF controls ■ Low jitter, high acc...
