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

6.2 Device Functional Modes

Table 6-1 Truth Table
INPUTS OUTPUTS
SELECT OUTPUT ENABLE OE Y Y
S2 S1 S0
X X X H Z Z
L L L L I0 I 0
L L H L I1 I 1
L H L L I2 I 2
L H H L I3 I 3
H L L L I4 I 4
H L H L I5 I 5
H H L L I6 I 6
H H H L I7 I 7