SCES530K December   2003  – February 2025 SN74AVC1T45

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
    6. 5.6  Switching Characteristics, VCCA = 1.2V
    7. 5.7  Switching Characteristics, VCCA = 1.5 ± 0.1V
    8. 5.8  Switching Characteristics, VCCA = 1.8 ± 0.15V
    9. 5.9  Switching Characteristics, VCCA = 2.5 ± 0.2V
    10. 5.10 Switching Characteristics, VCCA = 3.3 ± 0.3V
    11. 5.11 Operating Characteristics
    12. 5.12 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 Fully Configurable
      2. 7.3.2 Support High-Speed Translation
      3. 7.3.3 Ioff Supports Partial-Power-Down Mode Operation
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Enable Times
    2. 8.2 Typical Applications
      1. 8.2.1 Unidirectional Logic Level-Shifting Application
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
        3. 8.2.1.3 Application Curve
      2. 8.2.2 Bidirectional Logic Level-Shifting Application
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
        3. 8.2.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
      1. 8.3.1 Power-Up Considerations
    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

8.2.1 Unidirectional Logic Level-Shifting Application

Figure 8-1 shows an example of the SN74AVC1T45 being used in a unidirectional logic level-shifting application.

SN74AVC1T45 Unidirectional Logic Level-Shifting ApplicationFigure 8-1 Unidirectional Logic Level-Shifting Application
PINNAMEFUNCTIONDESCRIPTION
1VCCAVCC1SYSTEM-1 supply voltage (1.2V to 3.6V)
2GNDGNDDevice GND
3AOUTOutput level depends on VCC1 voltage.
4BINInput threshold value depends on VCC2 voltage.
5DIRDIRGND (low level) determines B-port to A-port direction.
6VCCBVCC2SYSTEM-2 supply voltage (1.2V to 3.6V)