ZHCSS45D November   1998  – April 2024 CD54AC245 , CD54ACT245 , CD74AC245 , CD74ACT245

PRODMIX  

  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 Recommended Operating Conditions
    3. 4.3 Thermal Information
    4. 4.4 Electrical Characteristics
    5. 4.5 Switching Characteristics
    6. 4.6 Timing Diagrams
  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 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
      2. 7.2.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      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

4.4 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC TA = 25°C -40°C TO 85°C -55°C TO 125°C UNIT
VI (V) IO (mA) MIN MAX MIN MAX MIN MAX
AC TYPES
VIH High -level input voltage 1.5 1.2 1.2 1.2 V
3 2.1 2.1 2.1
5.5 3.85 3.85 3.85
VIL Low- level input voltage VIL 1.5 0.3 0.3 0.3 V
3 0.9 0.9 0.9
5.5 1.65 1.65 1.65
VOH High -level output voltage VIH or VIL -0.05 1.5 1.4 1.4 1.4 VVOH
-0.05 3 2.9 2.9 2.9
-0.05 4.5 4.4 4.4 4.4
-4 3 2.58 2.48 2.4
-24 4.5 3.94 3.8 3.7
-75 5.5 3.85
-50 5.5 3.85
VOL Low-level output voltage VIH or VIL 0.05 1.5 V 0.1 0.1 0.1 V
0.05 3 V 0.1 0.1 0.1
0.05 4.5 V 0.1 0.1 0.1
12 3 V 0.36 0.44 0.5
24 4.5 V 0.36 0.44 0.5
751 5.5 V 1.65
501 5.5 V 1.65
II Input leakage current VCC or GND 5.5 ± 0.1 ± 1 ± 1 µ A
IOZ Three-state leakage current VIH or VIL, VO = VCC or GND 5.5 V ± 0.5 ± 5 ± 10 µ A
ICC Quiescent supply current MSI VCC or GND 0 5.5 V 8 80 160 µ A
ACT TYPES
VIH High- level input voltage 4.5 V to 5.5 V 2 2 2 V
VIL Low- level input voltage 4.5 V to 5.5 V 0.8 0.8 0.8 V
VOH High- level output voltage VIH or VIL -0.05 4.5 V 4.4 4.4 4.4 0.8 V
-24 4.5 V 3.94 3.8 3.7
-751 5.5 V 3.85
-50 5.5 V 3.85
VOL Low-level output voltage VIH or VIL 0.05 4.5 0.1 0.1 0.1 V
24 4.5 0.36 0.44 0.5
751 5.5 1.65
501 5.5 1.65
V
II Input leakage current VCC or GND 5.5 V ± 0.1 ± 1 ± 1 µA
IOZ Three-state or leakage current VIH or VILVO = VCC or GND 5.5 V ± 0.5 ± 5 ± 10 µA
ICC Quiescent supply current MSI VCC or GND 0 5.5 V 8 80 160 µA
∆ ICC Additional supply current per input pin TTL inputs high 1 unit load VCC -2.1 4.5 to 5.5 2.4 2.8 3 mA
  1. Test one output at a time for a 1-second maximum duration. Measurement is made by forcing current and measuring voltage to minimize power dissipation. Test verifies a minimum 50Ω transmission-line-drive capability at 85°C, 75Ω at 125°C.