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

3 Pin Configuration and Functions

CD74AC251 CD74AC251 D Package, 16-Pin SOIC (Top View) Figure 3-1 CD74AC251 D Package, 16-Pin SOIC (Top View)
PIN TYPE1 DESCRIPTION
NAME NO.
I3 1 I Input 3
I2 2 I Input 2
I1 3 I Input 1
I0 4 I Input 0
Y 5 I Output
Y 6 I Inverted Output
OE 7 O Output Enable
GND 8 G Ground
S2 9 O Input Select 2
S1 10 O Input Select 1
S0 11 O Input Select 0
I7 12 O Input 7
I6 13 O Input 6
I5 14 O Input 5
I4 15 O Input 4
VCC 16 P Positive Supply
  1. Signal Types: I = Input, O = Output, I/O = Input or Output.