SCES991 June   2025 TXG8020 , TXG8021

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 Electrical Characteristics
    5. 5.5 Switching Characteristics, VCCA = 1.8 ± 0.15V
    6. 5.6 Switching Characteristics, VCCA = 2.5 ± 0.2V
    7. 5.7 Switching Characteristics, VCCA = 3.3 ± 0.3V
    8. 5.8 Switching Characteristics, VCCA = 5.0 ± 0.5V
    9. 5.9 Switching Characteristics: Tsk, TMAX
  7. 6 Parameter Measurement Information
    1. 6.1 Load Circuit and Voltage Waveforms
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 CMOS Schmitt-Trigger Inputs with Integrated Pulldowns
        1. 7.3.1.1 Inputs with Integrated Static Pull-Down Resistors
      2. 7.3.2 Balanced High-Drive CMOS Push-Pull Outputs
      3. 7.3.3 VCC Disconnect
      4. 7.3.4 Over-Voltage Tolerant Inputs
      5. 7.3.5 Glitch-Free Power Supply Sequencing
      6. 7.3.6 Negative Clamping Diodes
      7. 7.3.7 Fully Configurable Dual-Rail Design
      8. 7.3.8 Supports High-Speed Translation
      9. 7.3.9 AC Noise Rejection
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    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 Device Support
      1. 9.1.1 Regulatory Requirements
    2. 9.2 Documentation Support
      1. 9.2.1 Related Documentation
    3. 9.3 Receiving Notification of Documentation Updates
    4. 9.4 Support Resources
    5. 9.5 Trademarks
    6. 9.6 Electrostatic Discharge Caution
    7. 9.7 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • Supports DC shifts up to ±80V
  • AC Noise Rejection of 140VPP up to 1MHz
  • CMTI of 250V/µs
  • Low Prop Delay (<5ns) and Ch-Ch Skew (<0.20ns)
  • Greater than 250Mbps
  • Low power consumption (0.8mA per channel at 1Mbps, 1.8V)
  • Fully configurable dual-rail design allows each port to operate from 1.71V to 5.5V
  • 4, 2, 1 channel devices with multiple configurations will be available
  • Two device variants:
    • TXG8020: 2 forward
    • TXG8021: 1 forward, 1 reverse
  • Supports VCC disconnect feature (I/Os are forced into high-Z)
  • Schmitt-trigger inputs allows for slow and noisy signals
  • Inputs with integrated static pull-down resistors prevent channels from floating
  • Operating temperature from –40°C to +125°C
  • Latch-up performance exceeds 100mA per JESD 78, class II
    • ESD protection exceeds JESD 22
    • 2500V human-body model
    • 500V charged-device model
  • Package options provided:
    • DSG (WSON-8)
    • DDF (SOT-8)
    • D (SOIC-8)
TXG8020 TXG8021 Simplified Diagram Simplified Diagram