ZHCSWZ9A August   1998  – August 2024 CD74AC251

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 说明
  4. Pin Configuration and Functions
  5. 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. Parameter Measurement Information
  7. Detailed Description
    1. 6.1 Functional Block Diagram
    2. 6.2 Device Functional Modes
  8. Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
  9. 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. Revision History
  11. 10Mechanical, Packaging, and Orderable Information

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • D|16
散热焊盘机械数据 (封装 | 引脚)

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
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.
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.