SCLS147G December   1982  – April 2022 SN54HC573A , SN74HC573A

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Timing Requirements
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Parameter Measurement Information
    1.     17
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Related Links
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

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

6.4 Thermal Information

THERMAL METRIC SN74HC573A UNIT
DW (SOIC) DB (SSOP) N (PDIP) PW (TSSOP)
20 PINS 20 PINS 20 PINS 20 PINS
RθJA Junction-to-ambient thermal resistance(1) 109.1 122.7 84.6 131.8 °C/W
RθJC (top) Junction-to-case (top) thermal resistance 76 81.6 72.5 72.2 °C/W
RθJB Junction-to-board thermal resistance 77.6 77.5 65.3 82.8 °C/W
ΨJT Junction-to-top characterization parameter 51.5 46.1 55.3 21.5 °C/W
ΨJB Junction-to-board characterization parameter 77.1 77.1 65.2 82.4 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance N/A N/A N/A N/A °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.