SNLS648B February   2019  – October 2023 TUSB2E22

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Timing Requirements
  8. 7 Parametric Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 USB 2.0
      2. 8.3.2 eUSB2
      3. 8.3.3 Cross MUX
    4. 8.4 Device Functional Modes
      1. 8.4.1 Repeater Mode
      2. 8.4.2 Power Down Mode
      3. 8.4.3 CROSS
  10. 9 Applications and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Dual Port System Implementation
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
    3. 9.3 Power Supply Recommendations
      1. 9.3.1 Power Up Reset
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Example YCG Layout For Application With No Cross MUX Function.
      3. 9.4.3 Example RZA Layout For Application With No Cross MUX Function
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • RZA|20
  • YCG|25
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.4.1 Repeater Mode

Upon de-assertion of RESETB and after t_RH_READY , TUSB2E22 will enable and enter default state and be ready to accept eUSB2 packets.

Table 8-1 Number of Hubs Supported with Host and/or Peripheral Repeater
Number of eUSB2 RepeatersNumber of Hubs Operating at HSNumber of Hubs Operating at FS
142Number of hubs operating at FS is reduced due to Te_to_U_DJ1 and TRJR1.
Number of hubs operating at HS is reduced due to SOP truncation and EOP dribble
231
055non-eUSB2 system for reference