1 Features
1• Ideal for USB Applications
– Signal Switch for USB 3.0 (SuperSpeed USB
and USB 2.0 HS/FS/LS)
• Three Bidirectional Differential Pair Channel
MUX/DEMUX Switches Also Suitable for
DisplayPort, PCIe Gen1/2/3, SATA 1.5/3/6G, SAS
1.5/3/6G and XAUI Applications
• Supports Data Rates up to 10 Gbps on High-
Bandwidth Path (SS)
• VCC Operating Range 3.3 V ± 10%
• Wide –3-dB Differential BW of More Than 10 GHz
on High-Bandwidth Path (SS)
• Uses a Unique Adaptation Method to Maintain a
Constant Channel Impedance Over the Supported
Common-Mode Voltage Range
• Excellent High-bandwidth Path Dynamic
Characteristics (at 2.5 GHz)
– Crosstalk = –35 dB
– Isolation = –23 dB
– Insertion Loss = –1.1 dB
– Return Loss = –11 dB
• Small 3.5 mm × 9 mm, 42-Pin WQFN Package
(RUA)
• Active Mode Power = 8 mW

2 Applications
• Desktop PCs
• Notebook PCs
• Tablets
• Docking Stations
• Telecommunications
• Televisions

3 Description
The HD3SS6126 device is a high-speed, passive
switch that is designed for USB applications to route both SuperSpeed USB RX and TX and USB 2.0 DP
and DM signals from a source to two destinations or
vice versa. The device can also be used for
DisplayPort, PCI-Express™, SATA, SAS, and XAUI
applications. The HD3SS6126 device can be used in
either sink-side or source-side applications.