ZHCSQ28E December   1982  – February 2022 SN54HC174 , SN74HC174

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Pin Configuration and Functions
  6. Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions (1)
    3. 6.3 Thermal Information
    4. 6.4 Electrical Characteristics
    5. 6.5 Timing Requirements
    6. 6.6 Switching Characteristics
    7. 6.7 Operating Characteristics
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Device Functional Modes
  9. Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
  11. 11Device and Documentation Support
    1. 11.1 接收文档更新通知
    2. 11.2 支持资源
    3. 11.3 Trademarks
    4. 11.4 Electrostatic Discharge Caution
    5. 11.5 术语表
  12. 12Mechanical, 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)
  • W|16
  • J|16
  • FK|20
散热焊盘机械数据 (封装 | 引脚)
订购信息

Timing Requirements

over recommended operating free-air temperature range (unless otherwise noted)
VCC (V) TA = 25°C SN54HC174 SN74HC174 UNIT
MIN MAX MIN MAX MIN MAX
fclock Clock frequency 2 6 4.2 5 MHz
4.5 31 21 25
6 36 25 29
tw Pulse duration CLR low 2 80 120 100 ns
4.5 16 24 20
6 14 20 17
CLK high or low 2 80 120 100
4.5 16 24 20
6 14 20 17
tsu Setup time before CLK­↑ Data 2 100 150 125 ns
4.5 20 30 25
6 17 25 21
CLR inactive 2 100 150 125
4.5 20 30 25
6 17 25 21
th Hold time, data after CLK­↑ 2 0 0 0 ns
4.5 0 0 0
6 0 0 0