ZHCSQ37F December   1982  – February 2022 SN54HC4020 , SN74HC4020

PRODUCTION DATA  

  1. 1 特性
  2. 2 说明
  3. 3 Revision History
  4. 4 Pin Configuration and Functions
  5. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions (1)
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Timing Characteristics
    6. 5.6 Switching Characteristics
    7. 5.7 Operating Characteristics
  6. 6 Parameter Measurement Information
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Device Functional Modes
  8. 8 Power Supply Recommendations
  9. 9 Layout
    1. 9.1 Layout Guidelines
  10. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 术语表
  11. 11Mechanical, 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)
  • PW|16
  • NS|16
  • N|16
  • D|16
散热焊盘机械数据 (封装 | 引脚)
订购信息

5.5 Timing Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
VCC (V) TA = 25°C SN54HC4020 SN74HC4020 UNIT
MIN MAX MIN MAX MIN MAX
fCLK Clock frequency 2 5.5 3.7 4.3 MHz
4.5 28 19 22
6 33 22 25
tW Pulse duration CLK high or low 2 90 135 115 ns
4.5 18 27 23
6 15 23 20
CLR high 2 70 105 90
4.5 14 21 18
6 12 18 25
tsu Setup time, CLR inactive before CLK↓ 2 60 90 75 ns
4.5 12 18 15
6 10 15 13