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

6 Parameter Measurement Information

TXE8124-Q1 Reset Load Configuration Figure 6-1 Reset Load Configuration
A.
  1. CL includes probe and jig capacitance.
  2. All inputs are supplied by generators having the following characteristics: PRR ≤ 10MHz; Zo = 50Ω; tr/tf ≤ 10ns.
  3. All parameters and waveforms are not applicable to all devices.
TXE8124-Q1 Fail-safe Load Configuration Figure 6-2 Fail-safe Load Configuration
A.
  1. CL includes probe and jig capacitance.
  2. All inputs are supplied by generators having the following characteristics: PRR ≤ 10MHz; Zo = 50Ω; tr/tf ≤ 10ns.
  3. FAIL-SAFE pin is a shared pin with RESET pin.
  4. All parameters and waveforms are not applicable to all devices.
TXE8124-Q1 SPI Timing Diagram - Input Figure 6-3 SPI Timing Diagram - Input
A. CL includes probe and jig capacitance.
TXE8124-Q1 Interrupt Load Configuration Figure 6-4 Interrupt Load Configuration
A.
  1. CL includes probe and jig capacitance.
  2. All inputs are supplied by generators having the following characteristics: PRR ≤ 10MHz; Zo = 50Ω; tr/tf ≤ 10ns.
TXE8124-Q1 P-Port Load Configuration and Timing Waveforms Figure 6-5 P-Port Load Configuration and Timing Waveforms
A.
  1. CL includes probe and jig capacitance.
  2. tpv is measured from 0.7 × VCC on SCLK to 50 % I/O (Pn) output.
  3. All inputs are supplied by generators having the following characteristics: PRR ≤ 10MHz; Zo = 50Ω; tr/tf ≤ 10ns.