IDT8V89316

Ethernet PLL and IEEE 1588 Synthesizer for Industrial Automation and Power Short Form Datasheet IDT8V89316 FEATURES HIGHLIGHTS Digital PLL locks to Ethernet physical layer clocks Provides clocks for 1 Gigabit Ethernet and QSGMII Internal Digitally Controlled Oscillator supports IEEE 1588 clock generation Jitter generation <0.65 ps RMS (10 kHz to 20 MHz) meets jitter requirements of 1 GbE PHYs and QSGMII MAIN FEATURES Digital PLL synchronizes with Ethernet connected synchronization sources DPLL bandwidth of 1.2 Hz DPLL holdover accuracy is 1.1X10-5 ppm and instantaneous hold- over accuracy is 4.4X10-8 ppm Input references are monitored for frequency offset and activity DPLL holdover, free run and hitless reference switching can be forced by the host processor or can be automatically controlled by an internal state machine Internal DCO has resolution of 0.01105 ppb and can be controlled by an external processor via I2C interface for IEEE 1588 cl...