Please see the attached document for Frequently Asked Questions (FAQ) and their answers regarding the Si5345, Si5344, and Si5342 10-Channel, 4-Channel, and 2-Channel Any-Frequency, Any-Output Jitter Attenuator/Clock Multipliers.
The topics from the Table of Contents are listed below.
PCB Design Considerations
Where should I look for schematic design assistance?
Where should I look for layout recommendations?
Where can I find the package and PCB footprint information?
Which ordering part number (OPN) is right for me?
Where can I find Si5345/44/42 layout footprints and schematic symbols?
Where can I find the IBIS model for the Si5345/44/42?
What reference clock should be used on the XA/XB input?
What serial interfaces does the device support?
Are there any power supply filtering requirements or recommendations?
How do I properly terminate input and output clocks?
Where can I get detailed material composition information on these devices?
Is the part RoHS compliant, REACH compliant and lead (Pb) free?
What is the Moisture Sensitivity Level (MSL) rating for the SI5345/44/42?
What is the recommended profiled for solder reflow process?
Frequency Plan and Clock Design Considerations
What development software do you have available to use with Si5345/44/42?
Where can I find ClockBuilder Pro Documentation?
Is there a recommended full device programming procedure?
What input buffer should I select?
Does the device support automatic input clock selection hitless switching?
How do I select proper jitter attenuation bandwidth?
Can I change an output frequency on the fly?
What is the best way to configure output clocks to optimize jitter performance?
Where can I look for help with DCO mode?
How much power will my frequency plan draw?
How can I know the performance of my frequency plan if I can’t measure phase noise or jitter?
Does the Si5345/44/42 support Zero-Delay Buffer operation?
Common Debug Questions
The device is not generating output clocks, what can I do?
I am unable to establish communication with the device via the serial interface, what can I do?