ZHCSWZ9A August   1998  – August 2024 CD74AC251

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 Recommended Operating Conditions
    3. 4.3 Thermal Information
    4. 4.4 Electrical Characteristics
    5. 4.5 Switching Characteristics
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Functional Block Diagram
    2. 6.2 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 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

4.4 Electrical Characteristics

SYMBOL PARAMETER TEST CONDITIONS VCC (V) 25°C -40°C TO 85°C -55°C TO 125°C UNIT
VI (V) IO (mA) MIN MAX MIN MAX MIN MAX
VIH High level input voltage - - 1.5 1.2 - 1.2 - 1.2 - V
3 2.1 - 2.1 - 2.1 - V
5.5 3.85 - 3.85 - 3.85 - V
VIL Low level input voltage - - 1.5 - 0.3 - 0.3 - 0.3 V
3 - 0.9 - 0.9 - 0.9 V
5.5 - 1.65 - 1.65 - 1.65 V
VOH High level output voltage VIH or VIL -0.05 1.5 1.4 - 1.4 - 1.4 - V
-0.05 3 2.9 - 2.9 - 2.9 - V
-0.05 4.5 4.4 - 4.4 - 4.4 - V
-4 3 2.58 - 2.48 - 2.4 - V
-24 4.5 3.94 - 3.8 - 3.7 - V
-75 (1), (2) 5.5 - - 3.85 - - - V
-50 (1), (2) 5.5 - - - - 3.85 - V
VOL Low level output voltage VIH or VIL 0.05 1.5 - 0.1 - 0.1 - 0.1 V
0.05 3 - 0.1 - 0.1 - 0.1 V
0.05 4.5 - 0.1 - 0.1 - 0.1 V
12 3 - 0.36 - 0.44 - 0.5 V
24 4.5 - 0.36 - 0.44 - 0.5 V
75 (1), (2) 5.5 - - - 1.65 - - V
50(1), (2) 5.5 - - - - - 1.65 V
II Input leakage current VCC or GND - 5.5 - ±0.1 - ±1 - ±1 μA
IOZ Three-state leakage current VIH or VIL VO = VCC or GND - 5.5 - ±0.5 - ±5 - ±10 μA
ICC Quiescent supply current MSI VCC or GND 0 5.5 - 8 - 80 - 160 μA
(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.
(2) Test verifies a minimum 50Ω transmission-line-drive capability at 85°C, 75Ω at 125°C.
Table 4-1 ACT Input Load Table
INPUT UNIT LOAD
S0, S1, S3 1
OE 1
I0 - I7 1
Note: Unit load is ΔICC limit specified in DC Electrical Specifications Table, e.g., 2.4mA max at 25°C.