ZHCSUY0 February   2024 SN74AHC157-Q1

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Switching Characteristics
    7. 5.7 Noise Characteristics
    8. 5.8 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Balanced CMOS Push-Pull Outputs
      2. 7.3.2 Standard CMOS Inputs
      3. 7.3.3 Wettable Flanks
      4. 7.3.4 Clamp Diode Structure
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Power Considerations
        2. 8.2.1.2 Input Considerations
        3. 8.2.1.3 Output Considerations
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 接收文档更新通知
    2. 9.2 支持资源
    3. 9.3 Trademarks
    4. 9.4 静电放电警告
    5. 9.5 术语表
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

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5.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
Specification Description Condition MIN MAX UNIT
VCC Supply voltage 2 5.5 V
VIH High-level input voltage VCC = 2V 1.5 V
VCC = 3V 2.1
VCC = 5.5V 3.85
VIL Low-Level input voltage VCC = 2V 0.5 V
VCC = 3V 0.9
VCC = 5.5V 1.65
VI Input Voltage 0 5.5 V
VO Ouptut Voltage 0 VCC V
IOH High-level output current VCC = 2V -50 µA
VCC = 3.3V ± 0.3V -4 mA
VCC = 5V ± 0.5V -8 mA
IOL Low-level output current VCC = 2V 50 µA
VCC = 3.3V ± 0.3V 4 mA
VCC = 5V ± 0.5V 8 mA
∆t/∆v Input transition rise or fall rate VCC = 3.3V ± 0.3V 100 ns/V
VCC = 5V ± 0.5V 20 ns/V
TA Operating free-air temperature –40 125 °C
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