ZHCSRY4 april   2023 SN74AHCT245-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  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 Noise Characteristics
    8. 6.8 Operating Characteristics
    9. 6.9 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
    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
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 接收文档更新通知
    2. 12.2 支持资源
    3. 12.3 Trademarks
    4. 12.4 静电放电警告
    5. 12.5 术语表
  13. 13Mechanical, Packaging, and Orderable Information

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6.5 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC TA = 25°C –40°C to 125°C UNIT
MIN TYP MAX MIN MAX
VOH IOH = –50 µA 4.5 V 4.4 4.5 4.4 V
IOH = –8 mA 3.94 3.7
VOL IOL = 50 µA 4.5 V 0.1 0.1 V
IOH = 8 mA 0.36 0.44
II OE or DIR VI = 5.5 V or GND 0 to
5.5 V		 ±0.1 ±1 µA
IOZ A or B inputs(1) VO = VCC or GND 5.5 V ±.25 ±2.5 µA
ICC VI = VCC or GND, IO = 0 5.5 V 4 40 µA
ΔICC(2) One input at 3.4 V,
Other inputs at VCC or GND		 5.5 V 1.35 1.5 mA
Ci OE or DIR VI = VCC or GND 5 V 2.5 10 pF
Cio A or B inputs VI = VCC or GND 5 V 4 pF
(1) For I/O ports, the parameter IOZ includes the input leakage current.
(2) This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or VCC.