SDLS972 april   2023 LSF0102

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  LSF0101/02 AC Performance (Translating Down) Switching Characteristics , VCCB = 3.3 V
    7. 6.7  LSF0101/02 AC Performance (Translating Down) Switching Characteristics, VCCB = 2.5 V
    8. 6.8  LSF0101/02 AC Performance (Translating Up) Switching Characteristics, VCCB = 3.3 V
    9. 6.9  LSF0101/02 AC Performance (Translating Up) Switching Characteristics, VCCB = 2.5 V
    10. 6.10 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Auto Bidirectional Voltage Translation
      2. 8.3.2 Output Enable
    4. 8.4 Device Functional Modes
      1. 8.4.1 Up and Down Translation
        1. 8.4.1.1 Up Translation
        2. 8.4.1.2 Down Translation
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Applications
      1. 9.2.1 Open-Drain Interface (I2C, PMBus, SMBus, and GPIO)
        1. 9.2.1.1 Design Requirements
          1. 9.2.1.1.1 Enable, Disable, and Reference Voltage Guidelines
          2. 9.2.1.1.2 Bias Circuitry
        2. 9.2.1.2 Detailed Design Procedure
          1. 9.2.1.2.1 Bidirectional Translation
          2. 9.2.1.2.2 Pull-Up Resistor Sizing
        3. 9.2.1.3 Application Curve
      2. 9.2.2 Mixed-Mode Voltage Translation
      3. 9.2.3 Single Supply Translation
      4. 9.2.4 Voltage Translation for Vref_B < Vref_A + 0.8 V
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 Support Resources
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

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1 Features

  • Provides bidirectional voltage translation with no direction pin
  • Supports up to 100-MHz up translation and greater than 100-MHz down translation at
    ≤ 30 pF capacitive load and up To 40-MHz up or down translation at 50 pF capacitive load
  • Allows bidirectional voltage-level translation between
    • 0.95 V ↔ 1.8/2.5/3.3/5 V
    • 1.2 V ↔ 1.8/2.5/3.3/5 V
    • 1.8 V ↔ 2.5/3.3/5 V
    • 2.5 V ↔ 3.3/5 V
    • 3.3 V ↔ 5 V
  • Low standby current
  • 5-V tolerance I/O port to support TTL
  • Low RON provides less signal distortion
  • High-impedance I/O pins for EN = Low
  • Flow-through pinout for easy PCB trace routing
  • Latch-up performance >100 mA per JESD 17
  • –40°C to 125°C operating temperature range