SLVSM19 July   2026 TCAN942H-Q1

ADVANCE INFORMATION  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Device Comparison
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 System-Level Transient and ESD Ratings
    4. 6.4 Recommended Operating Conditions
    5. 6.5 Thermal Characteristics
    6. 6.6 Supply Characteristics
    7. 6.7 Dissipation Ratings
    8. 6.8 Electrical Characteristics
    9. 6.9 Switching Characteristics
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Detailed Pin Description
      1. 7.3.1 TXD
      2. 7.3.2 GND
      3. 7.3.3 VCC
      4. 7.3.4 RXD
      5. 7.3.5 VIO (only for TCAN942HV-Q1)
      6. 7.3.6 CANH and CANL
      7. 7.3.7 STB (Standby)
    4. 7.4 Feature Description
      1. 7.4.1 CAN Bus States
      2. 7.4.2 TXD Dominant Timeout (DTO)
      3. 7.4.3 CAN Bus Short-Circuit Tolerance
      4. 7.4.4 Thermal Shutdown (TSD)
      5. 7.4.5 Undervoltage Lockout
      6. 7.4.6 Unpowered Device
      7. 7.4.7 Floating Pins
    5. 7.5 Device Functional Modes
      1. 7.5.1 Operating Modes
      2. 7.5.2 Normal Mode
      3. 7.5.3 Standby Mode
        1. 7.5.3.1 Remote Wake Request Using Wake-Up Pattern (WUP) in Standby Mode
      4. 7.5.4 Driver and Receiver Function
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

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7.3.4 RXD

The RXD output is a logic-level signal from the CAN transceiver to the CAN controller. RXD is referenced to VCC for TCAN942H-Q1 or to VIO for TCAN942HV-Q1. For TCAN942HV-Q1, RXD is only driven once VIO is present.

When a wake event takes place, RXD is driven low.