SI5356

Si5356 I 2C P ROGRAMMABLE , A NY - R A TE 1–200 M H Z , Q U A D F REQUENCY 8-O UTPUT C LOCK G ENERATOR Features          Generates any frequency from 1 to  200 MHz on each of the 4 output banks Programmable frequency configuration  Guaranteed 0 ppm frequency synthesis error for any combination of frequencies  25 or 27 MHz xtal or 5–200 MHz input clk Eight CMOS clock outputs Easy to use programming software  Configurable “triple A” spread spectrum:  any clock, any frequency, and with any  spread amount Programmable output phase adjustment  with resolution of 20 ps per step  Interrupt pin indicates LOS or LOL OE pin disables all outputs or per bank OE control via I2C Low jitter: 50 ps pk-pk (typ), 100 ps pk-pk period jitter (max) Excellent PSRR performance eliminates need for external power supply filtering Low power: 45 mA Core VDD: 1.8, 2.5, or 3.3 V Separate VDDO for each bank of outputs: 1.8, 2.5, or 3.3 V Small size: 4x4 mm 24-QFN Industrial temperature range: –40 to +85 °C Ordering Information: See page 20. Pin Assignments Applications     Printers Audio/video Residential gateways DSLAM     Femtocells Storage area networks Switches/routers Servers XAXA1 1 XBXB2 2 I2C_LSB P1 3 3 Top Top View View CLK0 CLK0 GND GND CLK1 CLK1 VDD VDD VDDOA VDDOA 20 20 11 11 24 24 2323 22 22 21 21 19 19 18 18 CLK2 CLK2 17 17 CLK3 CLK3 16 16 VDDOB VDDOB Description The Si5356 is a highly flexible, I2C programmable clock generator capable of synthesizing f...