SLVSLL3 June   2026 TMUXHS4446-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 High-Speed Performance Parameters
    7. 5.7 Switching Characteristics
    8. 5.8 I2C Timing Characteristics
    9. 5.9 Typical Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 High-Speed Differential Signal Switching
      2. 6.3.2 Low-Speed SBU Signal Switching
      3. 6.3.3 GPIO and I2C Control Modes
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curves
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

4 Pin Configuration and Functions



Figure 4-1 RET Package With Thermal Pad (40 Pin QFN - Top View)
Table 4-1 Pin Functions
PINTYPE(1)DESCRIPTION
NAMENO.
DP0+39HS I/OSystem-side, high-speed differential positive signal for DisplayPort DP0
DP0–40HS I/OSystem-side, high-speed differential negative signal for DisplayPort DP0
DP1+2HS I/OSystem-side, high-speed differential positive signal for DisplayPort DP1
DP1–3HS I/OSystem-side, high-speed differential negative signal for DisplayPort DP1
DP2+5HS I/OSystem-side, high-speed differential positive signal for DisplayPort DP2
DP2–6HS I/OSystem-side, high-speed differential negative signal for DisplayPort DP2
DP3+8HS I/OSystem-side, high-speed differential positive signal for DisplayPort DP3
DP3–9HS I/OSystem-side, high-speed differential negative signal for DisplayPort DP3
SSTX+11HS I/OSystem-side, high-speed differential positive signal for USB TX pins
SSTX–12HS I/OSystem-side, high-speed differential negative signal for USB TX pins
SSRX+16HS I/OSystem-side, high-speed differential positive signal for USB RX pins
SSRX–17HS I/OSystem-side, high-speed differential negative signal for USB RX pins
CRX1–24HS I/OConnector-side, high-speed differential negative signal for USB-C RX pins
CRX1+25HS I/OConnector-side, high-speed differential positive signal for USB-C RX pins
CTX1–27HS I/OConnector-side, high-speed differential negative signal for USB-C TX pins
CTX1+28HS I/OConnector-side, high-speed differential positive signal for USB-C TX pins
CTX2–30HS I/OConnector-side, high-speed differential negative signal for USB-C TX pins
CTX2+31HS I/OConnector-side, high-speed differential positive signal for USB-C TX pins
CRX2-33HS I/OConnector-side, high-speed differential negative signal for USB-C RX pins
CRX2+34HS I/OConnector-side, high-speed differential positive signal for USB-C RX pins
AUX+19LS I/OSystem-side, low-speed SBU signal for USB-C SBU pin
AUX–20LS I/OSystem-side, low-speed SBU signal for USB-C SBU pin
SBU122LS I/OConnector-side, low-speed SBU signal for USB-C SBU1 pin
SBU221LS I/OConnector-side, low-speed SBU signal for USB-C SBU2 pin
MODE01CTRLControl mode selection

MODE0 = 1, I2C control

MODE0 = 0, GPIO or pin control through CONF[2:0]

MODE113CTRLI2C logic level control (MODE0 = 1)

MODE1 = 0, 1.8V I2C logic level

MODE1 = 1, 3.3V I2C logic level

CONF035CTRLGPIO control (MODE0 = 0)

Switch configuration control for high-speed and low-speed pins. Refer to the Device Functional Modes section for details.

A1CTRLI2C control (MODE0 = 1)

Configurable I2C target address bit

CONF136CTRLGPIO control (MODE0 = 0)

Switch configuration control for high-speed and low-speed pins. Refer to the Device Functional Modes section for details.

SCLCTRLI2C control (MODE0 = 1)

I2C clock input

CONF238CTRLGPIO control (MODE0 = 0)

Switch configuration control for high-speed and low-speed pins. Refer to the Device Functional Modes section for details.

SDACTRLI2C control (MODE0 = 1)

I2C data input

A014CTRLI2C control (MODE0 = 1)

Configurable I2C target address bit

VCC4, 7, 10, 23, 26, 29, 32PPower
GND15, 18, 37, Thermal PadGGround
(1) HS I/O = High-Speed Input/Output, LS I/O = Low-Speed Input/Output, CTRL = Control Inputs, P = Power, G = Ground