SCES792D November   2009  – May 2026 SN74AVC4T245-Q1

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 = 1.5V ± 0.1V
    8. 5.8  Switching Characteristics: VCCA = 1.8V ± 0.15V
    9. 5.9  Switching Characteristics: VCCA = 2.5V ± 0.2V
    10. 5.10 Switching Characteristics: VCCA = 3.3V ± 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 Dual-Rail Design
      2. 7.3.2 Supports 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
    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

5.4 Thermal Information

THERMAL METRIC (1)SN74AVC4T245-Q1UNIT
RGY (VQFN)PW (TSSOP)BQB (WQFN)DYY (SOT)
16 PINS16 PINS16 PINS16 PINS
RθJAJunction-to-ambient thermal resistance68.8101.880.8163.4°C/W
RθJC(top)Junction-to-case (top) thermal resistance70.637.277.990.0°C/W
RθJBJunction-to-board thermal resistance4560.650.793.1°C/W
ψJTJunction-to-top characterization parameter11.91.67.410.9°C/W
ψJBJunction-to-board characterization parameter44.760.050.692.1°C/W
RθJC(bot)Junction-to-case (bottom) thermal resistance28.2N/A28.4N/A°C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application note.