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)
  • D|14
  • PW|14
  • DB|14
  • N|14
  • NS|14
散热焊盘机械数据 (封装 | 引脚)
订购信息

3 说明

SNx4HC74 器件包含两个具有异步预设和清零引脚的独立 D 类正边沿触发触发器。

器件信息(1)
器件型号 封装 封装尺寸（标称值）
SN74HC74D SOIC (14) 8.70mm × 3.90mm
SN74HC74DB SSOP (14) 6.50mm × 5.30mm
SN74HC74N PDIP (14) 19.30mm × 6.40mm
SN74HC74NS SO (14) 10.20mm × 5.30mm
SN74HC74PW TSSOP (14) 5.00mm × 4.40mm
SN54HC74J CDIP (14) 21.30mm × 7.60mm
SN54HC74W CFP (14) 9.20mm × 6.29mm
SN54HC74FK LCCC (20) 8.90mm × 8.90mm
(1) 如需了解所有可用封装，请参阅数据表末尾的可订购产品附录。
GUID-8DBEF82E-F380-4062-8CC0-605EA0242177-low.gif功能引脚分配