ZHCSX07B November   2004  – August 2024 CD74HC4538-Q1

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 ESD Ratings
    3. 4.3 Recommended Operating Conditions
    4. 4.4 Thermal Information
    5. 4.5 Electrical Characteristics
    6. 4.6 Timing Requirements
    7. 4.7 Switching Characteristics
    8. 4.8 Operating Characteristics
    9. 4.9 Typical 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 Typical Application
    2. 7.2 Power Supply Recommendations
    3. 7.3 Layout
      1. 7.3.1 Layout Guidelines
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      1. 8.1.1 Related Links
    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

4.6 Timing Requirements

over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Load Circuit and Voltage Waveforms)
PARAMETER VCC TA = 25°C TA = −40°C TO 85°C TA = −40°C TO 125°C UNIT
MIN  TYP MAX MIN  MAX MIN  MAX
tw Input pulse width 2 V 80 100 120 ns
4.5 V 16 20 24
6 V 14 17 20
tsu Reset setup time 2 V 5 5 5 ns
4.5 V 5 5 5
6 V 5 5 5
trr Retrigger time 5 V 175 ns
Output pulse-width match, same package   ± 1 %