ZHCSWU0G August   1995  – July 2024 SN54AC74 , SN74AC74

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 说明
  4. 3 Pin Configuration and Functions
  5. 4 Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 Recommended Operating Conditions
    3. 4.3 Thermal Information
    4. 4.4 Electrical Characteristics
    5. 4.5 Timing Requirements, VCC = 3.3 V ± 0.3 V
    6. 4.6 Timing Requirements, VCC = 5 V ± 0.5 V
    7. 4.7 Switching Characteristics, VCC = 3.3 V ± 0.3 V
    8. 4.8 Switching Characteristics, VCC = 5 V ± 0.5 V
    9. 4.9 Operating Characteristics
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
      2. 7.2.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      1. 8.1.1 Related Documentation
    2. 8.2 接收文档更新通知
    3. 8.3 支持资源
    4. 8.4 Trademarks
    5. 8.5 静电放电警告
    6. 8.6 术语表
  10. 9 Revision History
  11. 10Mechanical, 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

4.7 Switching Characteristics, VCC = 3.3 V ± 0.3 V

over recommended operating free-air temperature range, VCC = 3.3 V ± 0.3 V (unless otherwise noted) (see Load Circuit and Voltage Waveforms)
PARAMETER FROM (INPUT) TO (OUTPUT) TA = 25°C SN54AC74 SN74AC74 UNIT
MIN TYP MAX MIN MAX MIN MAX
fmax 100 125 70 95 MHz
tPLH PRE or CLR Q or Q 3.5 8 12 1 13 2.5 13 ns
tPHL 4 10.5 12 1 14 3.5 13.5
tPLH CLK Q or Q 4.5 8 13.5 1 17.5 4 16 ns
tPHL 3.5 8 14 1 13.5 3.5 14.5
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