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High-Speed USB2.0 1:2 Multiplexer/DeMultiplexer Switch with Signal Enable

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The PI3USB221EQ is a high-bandwidth switch specially designed for the switching of high-speed USB 2.0 signals in handset and consumer applications, such as cell phones, digital cameras, and notebooks with hubs or controllers with limited USB I/Os.
The wide bandwidth (1.1 GHz) of this switch allows signals to pass with minimum edge and phase distortion. The device multiplexes differential outputs from a USB host device to one of two corresponding outputs. The switch is bidirectional and offers
little or no attenuation of the high-speed signals at the outputs. It is designed for low bit-to-bit skew and high channel-to-channel noise isolation, and is compatible with various standards, such as high-speed USB 2.0 (480 Mbps). The PI3USB221EQ offer over voltage protection for the D+/Dpins as per the USB 2.0 specification. with the chip power on or off if D+/D- pins are shorted to VBus (5V+/-5%), a less than 3.8V
(typical) signal will transmit through 1D+/1D- and 2D+/2D output.


  • VDD Operation at 2.5 V and 3.3 V
  • VI/O Accepts Signals up to 5.5 V
  • 1.8-V Compatible Control-Pin Inputs
  • Low-Power Mode When OE Is Disabled (2 µA)
  • rON = 6Ω Maximum
  • ΔrON = 0.2Ω Typical
  • Cio(on) = 4pF Typical
  • Support Over Voltage Protection
  • Low Power Consumption (50 µA Maximum)
  • ESD Performance
    • IO Pins
    • 12KV HBM
    • 1KV CDM
    •  +/-8KV contact Discharge (IEC61000-4-2)
    • VDD, GND, S, OE Pins
    • 4KV HBM
    • 1KV CDM
  • High Bandwidth: 1.6 GHz Typical
  • Automotive Grade 1 temperature range: -40 to 125C
  • Totally Lead-Free & Fully RoHS Compliant
  • Halogen and Antimony Free. “Green” Device 
  • The PI3USB221EQ is suitable for automotive applications
    requiring specific change control; this part is AEC-Q100
    qualified, PPAP capable, and manufactured in IATF 16949
    certified facilities.
  • Packaging (Pb-free & Green):
  • 10-contact, UQFN (ZUA10)


  • Routes Signals for USB 1.0, 1.1, and 2.0
  • Mobile Industry Processor Interface (MIPI) Signal Routing

Product Specifications

Product Parameters

Compliance(Only Automotive supports PPAP) Automotive
Analog or Digital? Analog
Configuration 1 Differential Channel 2:1
Differential Channels 1
HotInsertion 0
Lanes 1
OtherFeatures N/A
RailToRail N/A
Signal Type Differential
Single Ended Channels No
Voltage 3.3

Technical Documents

Recommended Soldering Techniques


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

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Orderable Part Number Buy from Distributor / Contact Sales Request Samples


Authorized Distributor Quantity Inventory Date Countries/Regions Buy Online
Farnell, An Avnet Company 2991 12/5/2022 England Buy Now
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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-2586 2022-06-08 2022-09-08 Qualified Additional Wafer Fab Backend IMD Material and Process - Automotive