topic Re: Layout Impedance Details for LS1046A in Layerscape

Layout Impedance Details for LS1046A

RashmiH — Tue, 01 Jul 2025 05:23:27 GMT

Hi,

What is recommended impedance for Serdes signals for LS1046A?

Serdes includes:

Regards,

Rashmi Heda

yipingwang — Fri, 04 Jul 2025 07:51:28 GMT

Please refer to the following document for details.

RashmiH — Tue, 08 Jul 2025 08:17:13 GMT

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?

yipingwang — Fri, 18 Jul 2025 02:46:00 GMT

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