App note: USB hardware design guidelines for FTDI ICs – Dangerous Prototypes
AN 26.2 - Implementation Guidelines for SMSC's USB 2.0 and USB 3.0 Hub Devices - SMSC
How to Route Differential Pairs in KiCad (for USB)
AN 13.10 - USB3300 PHY Layout Guidelines - SMSC
Layout recommendations for the design of boards with ST25R3911B/ST25R391x devices
Routing Requirements for USB 2.0 on a 2-Layer PCB | Blog | CircuitMaker
PCB LAYOUT AUTHORITY: SuperSpeed USB 3 Design Guide
Routing Requirements for USB 2.0 on a 2-Layer PCB | Blog | CircuitMaker
Protection of USB 2.0 Applications Series: ESD Device Tests and Layout Recommendations for USB Ports | Würth Elektronik: Composants Électroniques & Électromécaniques > Actualités > Blog: World of Electronics