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
   ❐ 1.8 V for CY25403/CY25423/CY25483
◾ 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/CY25423/CY25483
◾ Selectable output clock voltages independent of VDD supply:
   ❐ 2.5 V, 3.0 V, and 3.3 V for CY25403/CY25423/CY25483
◾ 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

Benefits
◾ Multiple high performance PLLs allow synthesis of unrelated
   frequencies
◾ Nonvolatile programming for personalization of PLL
   frequencies, spread spectrum characteristics, drive strength,
   crystal load capacitance, and output frequencies
◾ Application specific programmable EMI reduction using Spread
   Spectrum for clocks
◾ Programmable PLLs for system frequency margin tests
◾ Meets critical timing requirements in complex system designs
◾ Suitability for PC, consumer, portable, and networking
   applications
◾ Capable of Zero PPM frequency synthesis error
◾ Uninterrupted system operation during clock frequency switch
◾ Application compatibility in standard and low power systems