CY2545
CY2545 is Quad-PLL Programmable Spread Spectrum Clock Generator manufactured by Cypress.
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...
