SCHS149G November   1998  – January 2025 CD54HC147 , CD74HC147 , CD74HCT147

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Description
  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 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 Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

6.3 Device Functional Modes

Function Table lists the functional modes of the CDx4HC(T)147.

Table 6-1 Truth Table(1)(2)(3)
INPUTS OUTPUTS
I1 I2 I3 I4 I5 I6 I7 I8 I9 Y3 Y2 Y1 Y0
H H H H H H H H H H H H H
X X X X X X X X L L H H L
X X X X X X X L H L H H H
X X X X X X L H H H L L L
X X X X X L H H H H L L H
X X X X L H H H H H L H L
X X X L H H H H H H L H H
X X L H H H H H H H H L L
X L H H H H H H H H H L H
L H H H H H H H H H H H L
(1) H = High logic level
(2) L = Low logic level
(3) X = Don't care