Document
CY25403/CY25423/CY25483
Three-PLL Programmable Clock Generator with Spread Spectrum
Three-PLL Programmable Clock Generator with Spread Spectrum
Features
■ Three fully integrated phase-locked loops (PLLs)
■ Input frequency range ❐ External crystal: 8 to 48 MHz ❐ External reference: 8 to 166 MHz clock
■ Reference clock input voltage range ❐ 2.5 V, 3.0 V, and 3.3 V for CY25483 ❐ 1.8 V for CY25403 and CY25423
■ 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 CY25403 and CY25483 ❐ 1.8 V for CY25423
■ Frequency select feature with option to select four different frequencies
■ Power-down, output enable, and SS ON/OFF controls
■ Low jitter, high accuracy outputs
■ Ability to synthesize nonstandard frequencies with Fractional-N capability
■ Three clock outputs with programmable drive stre.