Si544 Datasheet | Silicon Labs

FEATURES - I2C programmable to any frequency from 0.2 to 1500 MHz with < 1 ppb resolution - Very low jitter: 150 fs Typ RMS (12 k Hz - 20 MHz) - Configure up to 4 pin-selectable startup frequencies - I2C interface supports 100 kbps, 400 kbps, and 1 Mbps (Fast Mode Plus) - Excellent PSRR and supply noise immunity: - 80 d Bc Typ - 3.3 V, 2.5 V and 1.8 V VDD supply operation from the same part number - LVPECL, LVDS, CML, HCSL, CMOS, and Dual CMOS output options - 3.2x5, 5x7 mm package footprints - Samples available with 1-2 week lead times Pin Assignments OE/FS/NC 1 6 VDD NC/OE/FS 2 5 CLK- (Top View) CLK+ APPLICATIONS - 100G/200G/400G OTN, coherent optics, PAM4 - 10G/40G/100G optical ethernet - 3G-SDI/12G-SDI/24G-SDI broadcast video - Servers, switches, storage, search acceleration - Test and measurement - FPGA/ASIC clocking Pin # 1, 2 3 4 5 6 7 8 Descriptions Selectable via ordering option OE = Output enable; FS = Frequency Select; NC = No connect GND = Ground CLK+ = Clock output CLK- = plementary clock output. Not used for CMOS. VDD = Power supply SDA = I2C Serial Data SCL = I2C Serial Clock Fixed Frequency Crystal Frequency Flexible DSPLL NVM Control Digital Phase Detector Phase Error...