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...

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