Supports USB4 Gen3×2 40Gbps and Gen2×2 20Gbps data rates
Supports USB 3.2 Gen2×2 20Gbps
Supports low-power U1/U2/U3 states
Supports DisplayPort (DP) and Thunderbolt compatibility modes
Supports DP2.1 protocol with up to UHBR20 20Gbps data rate
Compatible with all link rates: RBR/HBR/HBR2/HBR3/UHBR10/UHBR13.5/UHBR20
Supports LTTPR Transparent and Non-Transparent modes
Supports DP2.1 Advanced Link Power Management (ALPM)
Supports Thunderbolt 4 10.3125Gbps and 20.625Gbps link rates
Integrated AUX/LSx to SBU switch
Integrated adaptive CTLE and DFE equalizer, with 3-tap configurable DFE
Integrated NVM, supporting online upgrades via USB4 Port Operation
Integrated 85Ω differential input/output termination resistors
Low-power design, with 3.3V and 0.9V dual power supply
4.7×8.0mm 62-pin QFN package
ESD Protection: ±6KV Human Body Model (HBM) for connector-side pins
PHU8641
USB4® 20Gbps Retimer Supports DP™ 2.1 and Thunderbolt™ 4.0 Alternate Modes
PHU8641 is a USB4 and DP 2.1 mode retimer designed for board-level system applications. It complies with the USB4 specification and is compatible with the VESA DisplayPort mode of the USB Type-C standard. It supports USB4, USB 3.2 Gen 2×2, and DisplayPort 2.1. With multifunctional operation, it meets the specifications for USB 3.2 Gen1/Gen2 x1 and DP 2.1 ×1/×2/×4 in Type-C DP mode.
Application Block Diagram
Features
Applications
Notebooks
Desktop PCs
USB Type-C Host Devices
PC
Notebook Docking Stations