Product details

Type Passive switch Function USB2 USB speed (Mbps) 480 Number of channels (#) 2 Supply voltage (Max) (V) 3.6 Supply voltage (Min) (V) 2.3 Ron (Typ) (Ohms) 3 Input/ouput voltage (Min) (V) 0 Input/ouput voltage (Max) (V) 5.5 Configuration 2:1 SPDT Features USB 2.0, Logic Controlled (Output Enabled) Rating Catalog Operating temperature range (C) -40 to 85 ICC (Max) (uA) 30 ESD HBM (Typ) (kV) 7 Bandwidth (MHz) 900
Type Passive switch Function USB2 USB speed (Mbps) 480 Number of channels (#) 2 Supply voltage (Max) (V) 3.6 Supply voltage (Min) (V) 2.3 Ron (Typ) (Ohms) 3 Input/ouput voltage (Min) (V) 0 Input/ouput voltage (Max) (V) 5.5 Configuration 2:1 SPDT Features USB 2.0, Logic Controlled (Output Enabled) Rating Catalog Operating temperature range (C) -40 to 85 ICC (Max) (uA) 30 ESD HBM (Typ) (kV) 7 Bandwidth (MHz) 900
UQFN (RSE) 10 3 mm² 2 x 1.5
  • VCC Operation at 2.5 V to 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 (1 μA)
  • RON = 6 Ω Maximum
  • ΔRON = 0.2 Ω Typical
  • Cio(on) = 6 pF Typical
  • Low Power Consumption (30 μA Maximum)
  • High Bandwidth (900 MHz Typical)
  • Latch-Up Performance Exceeds 100 mA
    Per JESD 78, Class II
  • ESD Performance Tested Per JESD 22
    • 7000-V Human-Body Model
      (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
  • ESD Performance I/O to GND
    • 12-kV Human-Body Model
  • VCC Operation at 2.5 V to 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 (1 μA)
  • RON = 6 Ω Maximum
  • ΔRON = 0.2 Ω Typical
  • Cio(on) = 6 pF Typical
  • Low Power Consumption (30 μA Maximum)
  • High Bandwidth (900 MHz Typical)
  • Latch-Up Performance Exceeds 100 mA
    Per JESD 78, Class II
  • ESD Performance Tested Per JESD 22
    • 7000-V Human-Body Model
      (A114-B, Class II)
    • 1000-V Charged-Device Model (C101)
  • ESD Performance I/O to GND
    • 12-kV Human-Body Model

The TS3USB221A device 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 (900 MHz) 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. The device also has a low power mode that will reduce the power consumtion to 1 μA for portible applications with a battery or limited power budget. The device 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 TS3USB221A device integrates ESD protection cells on all pins, is available in a tiny μQFN package (2 mm × 1.5 mm) and is characterized over the free air temperature range from –40°C to 85°C.

The TS3USB221A device 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 (900 MHz) 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. The device also has a low power mode that will reduce the power consumtion to 1 μA for portible applications with a battery or limited power budget. The device 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 TS3USB221A device integrates ESD protection cells on all pins, is available in a tiny μQFN package (2 mm × 1.5 mm) and is characterized over the free air temperature range from –40°C to 85°C.

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Technical documentation

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Type Title Date
* Data sheet TS3USB221A ESD Protected, High-Speed USB 2.0 (480-Mbps) 1:2 Multiplexer and Demu datasheet (Rev. A) 05 Feb 2015
Application note Passive Mux Selection Based On Bandwidth > Ron 11 Sep 2019
Application note High-Speed Layout Guidelines for Signal Conditioners and USB Hubs 14 Jun 2018
White paper Selecting signal switches to enable IoT communication modules 20 Mar 2017

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Evaluation board

TS3USB221EEVM — TS3USB221E Evaluation Module

The TS3USB221EEVM is an evaluation module for the Texas Instruments high-speed USB 2.0 (480-Mbps) 1:2 multiplexer/demultiplexer switch. The USB221EEVM allows signals to pass with minimum edge and phase distortion, integrates IEC-level ESD protection cells on all pins, and also multiplexes (...)

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Evaluation board

TS3USB221EVM — TS3USB221 Evaluation Module

The TS3USB221EVM is an evaluation module for the Texas Instruments high-speed USB 2.0 (480-Mbps) 1:2 multiplexer/demultiplexer switch. The USB221EVM allows signals to pass with minimum edge and phase distortion and also multiplexes differential signals from a common USB input to one of two (...)

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UQFN (RSE) 10 View options

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