SCPS299B May   2025  – July 2026 TXE8124-Q1

ADVANCE INFORMATION  

  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 Timing Requirements
    7. 5.7 SPI Bus Timing Requirements
    8. 5.8 Switching Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 I/O Port
      2. 7.3.2 Interrupt Output (INT)
      3. 7.3.3 Reset Input (RESET)
      4. 7.3.4 Bus Hold
      5. 7.3.5 Fail-safe Mode
      6. 7.3.6 Software Reset Call
      7. 7.3.7 Daisy Chain
      8. 7.3.8 Multi Port
      9. 7.3.9 Feature Register Mapping
    4. 7.4 Device Functional Modes
      1. 7.4.1 Power-On Reset
    5. 7.5 Programming
      1. 7.5.1 SPI
      2. 7.5.2 SPI Data Format
      3. 7.5.3 Burst Mode
      4. 7.5.4 SPI Write
      5. 7.5.5 SPI Read
      6. 7.5.6 SPI Daisy Chain
    6. 7.6 TXE8124 Registers
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power-On Reset Requirements
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Revision History

Changes from Revision A (September 2025) to Revision B (July 2026)

  • Removed TXE8116 and published in a separate datasheetGo
  • Updated VQFN package pinout in TXE8116-Q1 datasheetGo
  • Updated IOL maximum as 10mA in ROC TableGo
  • Removed redundant Junction Temperature in ROC TableGo
  • Updated VOH & VOL limits at 1.65VGo
  • Corrected limits for Bus-hold sustaining currentGo
  • Updated test condition for Bus-hold sustaining currentGo
  • Corrected the description for IBHLO and IBHHOGo
  • Clarified clearing of INT behaviorGo
  • Added Bus Hold feature descriptionGo
  • Updated Feature Register Mapping descriptionGo
  • Added SPI SDO data frame formatGo
  • Added transaction diagrams for single and burst SPI writeGo
  • Added transaction diagram for single and burst SPI readGo
  • Added pseudo-code for SPI write and readGo

Changes from Revision * (May 2025) to Revision A (September 2025)

  • Added VQFN package throughout the documentGo
  • Updated IOL maximum for VCC ≥ 2.97V in ROC TableGo
DATE REVISION NOTES
May 2025 * Initial Release

Changes from Revision () to Revision ()