MX574BBF644M531 Ultra-Low Jitter 644.53125MHz LVPECL XO ClockWorks FUSION General Description Features The MX574BBF644M531 is an ultra-low phase jitter 644.53125MHz LVPECL XO with LVPECL output optimized for high line rate Supports FEC line rate applications. Typical phase noise: - 101fs (Integration range: 1.875MHz-20MHz) Applications 50ppm total frequency stability Optical communications -40C to +85C temperature range Forward error correction (FEC) rates Industry standard 6-Pin 7mm x 5mm LGA FPGA SERDES reference clock package SONET FEC/OTN Absolute Maximum Ratings Operating Ratings Supply Voltage (VIN)..................................................+4.6V Supply Voltage (VIN).......................+2.375V to +3.63V Lead Temperature (soldering, 10s)..............................260C Ambient Temperature (TA)....................-40C to +85C Storage Temperature (T ).............................................125C S ESD Rating (HBM).........................................................2kV Electrical Characteristics VDD = 2.375 - 3.63V, TA = -40C to +85C, outputs terminated with 50 Ohms to VDD - 2V. Symbol Parameter Condition Min. Typ. Max. Units IDD Supply Current 120 mA F0 Center Frequency 644.53125 MHz Frequency Stability Note 2 50 ppm Integration Range (12kHz to 20MHz) 139 j Phase Noise fsRMS Integration Range (1.875MHz to 20MHz) 101 Tstart Start-Up Time 20 ms TR/TF Rise/Fall time 85 350 ps Duty Cycle 45 55 % VOH Output High Voltage LVPECL output levels VDD - 1.35 VDD - 1.01 VDD - 0.8 V VOL Output Low Voltage LVPECL output levels VDD - 2.0 VDD - 1.78 VDD - 1.6 V Peak to Peak Output Vswing 0.65 0.77 0.95 V Voltage Swing Notes: 1. Guaranteed after thermal equilibrium. 2. Inclusive of initial accuracy, temperature drift, aging, shock, vibration. ClockWorks is a registered trademark of Microchip Technology Inc. Microchip Technology Inc. Microchip Technology Inc. MX574BBF644M531 Ordering Information Ordering Part Number Marking Line 1 Marking Line 3 Shipping Package MX574BBF644M531 MX574BB F644M531 Tube 6-Pin 7mm x 5mm LGA MX574BBF644M531 TR MX574BB F644M531 Tape and Reel 6-Pin 7mm x 5mm LGA Devices are Green and RoHS compliant. Sample material may have only a partial top mark. Pin Configuration OE VDD DNC /Q GND Q Pin Description Pin Number Pin Name Pin Type Pin Level Pin Function Output Enable, disables output to tri-state, 1 OE I, SE LVCMOS 1 = Disabled, 0 = Enabled, 50k Ohms Pull-Down 2 DNC Make no connection, leave floating. 3 GND PWR Power Supply Ground 4, 5 Q, /Q O, Diff LVPECL Clock Output Frequency = 644.53125MHz 6 VDD PWR Power Supply December 20, 2016 2 Revision 1.0 MX574BB1-1992 tcghelp microchip.com