Ethernet PCB Checklist
Reading time : 1 minute
Published on 17 Jun 2020 - Updated on 05 Dec 2020
| Document | Category | Item |
|---|---|---|
| Layout | LAN - RGMII | Check that maximum signal length is lower than 6 inches |
| Layout | LAN - RGMII | Check signal impedance |
| Layout | LAN - RGMII | Check if delay is needed |
| Layout | LAN - RGMII | Maximum skew for any signal group is +/- 0.1 inch (TX or RX) |
| Layout | LAN - RGMII | Avoid as possible reference plane change |
| Layout | LAN - RGMII | When there is a reference plane change, add bypass capacitors |
| Layout | LAN - SGMII | SGMII signals are routed like differential pairs |
| Layout | LAN - SGMII | Maximum trace length is 16 inches |
| Layout | LAN - Connector | Maximum trace length between PHY and connector is 5 inches |