General Questions

  1. Where can I find datasheets and user guides for Si522xx?

Datasheet: https://www.silabs.com/documents/public/data-sheets/si522xx-datasheet.pdf

 

Si52204 Evaluation Kit (EVB): https://www.silabs.com/products/development-tools/timing/clock/si52204-evb-evaluation-kit

 

EVB User Guide: https://www.silabs.com/documents/public/user-guides/ug277-si52204-evb.pdf

 

Some Helpful Application Notes

Description of the new PCI Express 4.0 Jitter Requirements:

https://www.silabs.com/documents/public/application-notes/an946-pci-express-jitter-requirements.pdf

 

Help on converting HCSL Signals to either LVPECL, LVDS, or CML:

https://www.silabs.com/documents/public/application-notes/an781-alternative-output-termination.pdf

 

Tips for driving longer PCI Express clock lines:

https://www.silabs.com/documents/public/application-notes/an871-driving-long-pcie-clock-lines.pdf

 

  1. Where can I find more information regarding the Si522xx's PCIe performance?

Try looking in our PCI Express Learning Center: https://www.silabs.com/products/timing/pci-express-learning-center

 

There you can download our PCIE Express Clock Jitter Tool and see sample data files from the Si52204.

 

  1. Where can I find quality and reliability documents for Si522xx?

Try our RFI Portal: https://ops.silabs.com/wrfi/pages/PartSearch

 

If you aren’t able to find the needed documents there, try emailing our quality team at:  DL.RFISupport@silabs.com

 

  1. Want sample parts?

We are currently giving out samples for Si52202-A01, Si52204-A01, Si52208-A01, and Si52212-A01. To request one, select the sample option beneath the desired part number in our PCIe Clock Generator Product Matrix.

https://www.silabs.com/products/timing/clocks/pcie-clock-generators

 

Part Specific Questions

Si52202

  1. What is the I2C address for Si52202?

Since Si52202 does not have a REF/SA pin to select the I2C address, the address will always be set to 0x6A.

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