Layout Impedance Details for LS1046A

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Layout Impedance Details for LS1046A

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RashmiH
Contributor II

Hi,

What is recommended impedance for Serdes signals for LS1046A? 

Serdes includes:

  • PCIe
  • SATA
  • SGMII

Regards,

Rashmi Heda

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yipingwang
NXP TechSupport
NXP TechSupport

Please refer to the following document for details.

https://www.nxp.com.cn/docs/en/application-note/AN5252.pdf

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1,019 Views
RashmiH
Contributor II

Document does not define specific to SGMII, PCIe and SATA.

 

In general for PCIe 85ohm and SATA and SGMII 100ohm is followed. Is that okay?

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yipingwang
NXP TechSupport
NXP TechSupport

Rx impedance is mentioned in the datasheet customer can refer that, if you are talking about any other impedance, kindly let us know.

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