SCES641E May   2007  – October 2023 TXB0102

PRODUCTION DATA  

  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: TA = 25°C
    6. 5.6  Electrical Characteristics: TA = –40°C to +85°C
    7. 5.7  Operating Characteristics
    8. 5.8  VCCA = 1.2 V Timing Requirements
    9. 5.9  VCCA = 1.5 V ± 0.1 V Timing Requirements
    10. 5.10 VCCA = 1.8 V ± 0.15 V Timing Requirements
    11. 5.11 VCCA = 2.5 V ± 0.2 V Timing Requirements
    12. 5.12 VCCA = 3.3 V ± 0.3 V Timing Requirements
    13. 5.13 VCCA = 1.2 V Switching Characteristics
    14. 5.14 VCCA = 1.5 V ± 0.1 V Switching Characteristics
    15. 5.15 VCCA = 1.8 V ± 0.15 V Switching Characteristics
    16. 5.16 VCCA = 2.5 V ± 0.2 V Switching Characteristics
    17. 5.17 VCCA = 3.3 V ± 0.3 V Switching Characteristics
    18. 5.18 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Architecture
      2. 7.3.2 Input Driver Requirements
      3. 7.3.3 Output Load Considerations
      4. 7.3.4 Enable and Disable
      5. 7.3.5 Pullup or Pulldown Resistors on I/O Lines
    4. 7.4 Device Functional Modes
  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 Curve
    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 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

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

8.3 Power Supply Recommendations

During operation, assure that VCCA ≤ VCCB at all times. During power-up sequencing, VCCA ≥ VCCB does not damage the device, so any power supply can be ramped up first. The TXB0102 device has circuitry that disables all output ports when either VCC is switched off (VCCA/B = 0 V). The (OE) input circuit is designed so that it is supplied by VCCA and when the (OE) input is low, all outputs are placed in the high-impedance state. To assure the high-impedance state of the outputs during power up or power down, the OE input pin must be tied to GND through a pulldown resistor and must not be enabled until VCCA and VCCB are fully ramped and stable. The minimum value of the pulldown resistor to ground is determined by the current-sourcing capability of the driver.