CY2547

CY2545/CY2547 Quad-PLL Programmable Spread Spectrum Clock Generator with Serial I2C Interface Quad-PLL Programmable Spread Spectrum Clock Generator with Serial I2C Interface Features ■ Four fully-integrated phase-locked loops (PLLs) ■ Input frequency range ❐ External crystal: 8 to 48 MHz ❐ External reference: 8 to 166 MHz clock ■ Wide operating output frequency range ❐ 3 to 166 MHz ■ Serial programmable over two-wire I2C interface ■ 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 CY2545 ❐ 1.8 V for CY2547 ■ Selectable output clock voltages independent of VDD supply: ❐ 1.8 V, 2.5 V, 3.0 V, and 3.3 V for CY2545 ❐ 1.8 V for CY2547 ■ Power-down, output enable, or frequency select features ■ Low jitter, high accuracy outputs ■ Ability to synthesize nonstandard frequencies with Fractional-N capability ■ Up to eight clock outputs with prog...