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1.8V USB 3.2 Gen 1, 4:1 Mux/DeMUx

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Product Description

The PI2USB4122 is a 4 to 1 differential channel multiplexer/demultiplexer switch. Due to its low bit-tobit skew, high channel-to-channel noise isolation and high bandwidth, this product is ideal for USB 3.2 Gen 1 switching to 5.0 Gbps.


  • 2 Differential Channel, 4:1 Mux/DeMux
  • PCI Express® 2.0 performance, 5.0 Gbps
  • Low Bit-to-Bit Skew, 7ps Max.
  • Low Crosstalk: -23dB@3GHz
  • Low Off Isolation: -23dB@3GHz
  • VDD Operating Range: +1.8V+/-10%
  • ESD Tolerance 2kV HBM on data I/O
  • Packaging (Pb-free & Green): â€“ 42 contact TQFN


  • Switching USB 3.2 Gen 1 signals for Mux or DeMux.

Product Specifications

Product Parameters

Compliance(Only Automotive supports PPAP) Standard
Configuration USB 3.2 Gen 1
Differential Channels 4
HotInsertion 0
Lanes N/A
OtherFeatures N/A
RailToRail 0
Signal Type Differential
Single Ended Channels N/A
Type 4:01
Voltage 1.8

Technical Documents

Design tool model software

Recommended Soldering Techniques


Additional Technical Documents are available upon request: 
Application information, Evaluation board, and Other technical documents

Request Documents
Orderable Part Number Status Package Environmental Compliance Packing Buy from Distributor /
Contact Sales
Request Samples
Qty. Carrier
PI2USB4122ZHEX Active V-QFN3590-42 TPGP 3500 T&R


Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Arrow Electronics 3500 9/27/2022 United States Buy Now
Request Sample

Environmental Compliance Legend:
LFF: Pb-Free Finish and RoHS 5/6
TLFP: Totally Pb-Free Product and RoHS 6/6
LFGP: Pb-free Finish and Green Product, RoHS 5/6 and Halogen Free
TPGP: Totally Pb-Free and Green Product, RoHS 6/6 and Halogen Free
GREEN: Halogen-free and RoHS compliant
RoHS: RoHS compliant but NOT halogen-free

Product Change Notices (PCNs)

A PCN may only apply to specific orderable part numbers in this datasheet. Please refer to the corresponding PCN to see the exact orderable part number(s) affected.

PCN # Issue Date Implementation Date Subject
PCN-2328 2018-04-12 2018-10-12 Device End of Life for tray packaging only