ZHCSPI1A August   2020  – December 2021 SN74HCS157-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     4
    2.     5
  4. 4 Revision History
  5. 5 Pin Configuration and 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
    6. 6.6 Switching Characteristics
    7. 6.7 Operating Characteristics
    8. 6.8 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 CMOS Schmitt-Trigger Inputs
      3. 8.3.3 Clamp Diode Structure
      4. 8.3.4 Wettable Flanks
    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
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
  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 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 静电放电警告
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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机械数据 (封装 | 引脚)
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订购信息

6.6 Switching Characteristics

CL = 50 pF; over operating free-air temperature range (unless otherwise noted). See Parameter Measurement Information.
PARAMETER FROM TO VCC Operating free-air temperature (TA) UNIT
25°C –40°C to 125°C
MIN TYP MAX MIN TYP MAX
fmax Max switching frequency 2 V 6 5 MHz
4.5 V 31 25
6 V 36 29
tpd Propagation delay A or B Y 2 V 21 32 55 ns
4.5 V 8 12 19
6 V 7 11 16
A/B Y 2 V 21 32 57
4.5 V 8 12 20
6 V 7 11 16
G Y 2 V 22 33 53
4.5 V 9 14 18
6 V 8 12 15
tt Transition-time Any output 2 V 13 21 ns
4.5 V 6 9
6 V 5 7