Analog Devices Inc.

Ethernet/Gigabit Ethernet Clock Generator Features: Redundant input reference clock capability Reference monitoring function Fully integrated VCO/PLL core Jitter (rms) 0.234 ps rms jitter (10 kHz to 10 MHz) at 156.25 MHz 0.243 ps rms jitter (12 kHz to 20 MHz) at 156.25 MHz Input frequency: 19.44 MHz or 25 MHz Preset frequency translations Using a 19.44 MHz input reference 19.44 MHz, 38.88 MHz, 77.76 MHz, 155.52 MHz Using a 25 MHz input reference 25 MHz, 33.33 MHz, 50 MHz, 66.67 MHz, 80 MHz, 100 MHz, 125 MHz, 133.3 MHz, 156.25 MHz, 160 MHz, 312.5 MHz Output drive formats: HSTL, LVDS, HCSL, and 1.8 V and 3.3 V CMOS Integrated loop filter (requires a single external capacitor) 2 copies of reference clock output Device configuration via strapping pins (PPRx) Space-saving 7 mm × 7 mm 48-lead LFCSP 3.3 V operation

$5.48