ZHCSOD3F December   1982  – June 2021 SN54HC74 , SN74HC74

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  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 - 74
    6. 6.6  Electrical Characteristics - 54
    7. 6.7  Timing Requirements - 74
    8. 6.8  Timing Requirements - 54
    9. 6.9  Switching Characteristics - 74
    10. 6.10 Switching Characteristics - 54
    11. 6.11 Operating Characteristics
    12. 6.12 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 Balanced CMOS Push-Pull Outputs
      2. 8.3.2 Standard CMOS Inputs
      3. 8.3.3 Clamp Diode Structure
    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
        1. 9.2.1.1 Power Considerations
        2. 9.2.1.2 Input Considerations
        3. 9.2.1.3 Output Considerations
        4. 9.2.1.4 Timing Considerations
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  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 支持资源
    3. 12.3 Trademarks
    4. 12.4 静电放电警告
    5. 12.5 术语表
  13. 13Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • J|14
  • FK|20
  • W|14
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.4 Thermal Information

THERMAL METRIC(1)SN74HC74SN54HC74UNIT
D (SOIC)DB (SSOP)N (PDIP)NS (SO)PW (TSSOP)J (CDIP)W (CFP)FK (LCCC)
14 PINS14 PINS14 PINS14 PINS14 PINS14 PINS14 PINS20 PINS
RθJAJunction-to-ambient thermal resistance133.6 107.761.9122.6151.7N/AN/AN/A°C/W
RθJC(top)Junction-to-case (top) thermal resistance89.057.449.781.879.415.0514.655.61°C/W
RθJBJunction-to-board thermal resistance89.557.941.783.894.7N/AN/AN/A°C/W
ΨJTJunction-to-top characterization parameter45.517.629.345.425.2N/AN/AN/A°C/W
ΨJBJunction-to-board characterization parameter89.157.241.483.494.1N/AN/AN/A°C/W
RθJC(bot)Junction-to-case (bottom) thermal resistanceN/AN/AN/AN/AN/AN/AN/AN/A°C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.
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