SCLS374Q May   1997  – August 2024 SN74AHCT595

PRODMIX  

  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 Timing Characteristics
    7. 5.7 Switching Characteristics
    8. 5.8 Noise Characteristics
    9. 5.9 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
    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 Curves
    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 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

5.4 Thermal Information

THERMAL METRIC(1) SN74AHCT595 UNIT
BQB (WQFN) D (SOIC) DB (SSOP) N (PDIP) NS (SOP) PW (TSSOP)
16 PINS
RθJA Junction-to-ambient thermal resistance 91.8 93.8 97.5 47.5 126.2 135.9 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 87.7 54.7 47.7 34.9 68.7 70.3
RθJB Junction-to-board thermal resistance 61.6 50.9 48.1 27.5 77.3 81.3
ψJT Junction-to-top characterization parameter 11.9 20.8 9.8 19.8 22.3 22.5
ψJB Junction-to-board characterization parameter 61.4 50.7 47.6 27.4 76.9 80.8
RθJC(bot) Junction-to-case (bottom) thermal resistance 39.4 N/A N/A N/A N/A N/A
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.