SCHS287C December   2023  – May 2024 CD54AC240 , CD54AC244 , CD54ACT240 , CD54ACT241 , CD54ACT244 , CD74AC240 , CD74AC244 , CD74ACT240 , CD74ACT241 , CD74ACT244

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 Static Electrical Characteristics: AC Series
    5. 4.5 Electrical Characteristics: ACT Series
    6. 4.6 Switching Characteristics: AC Series
    7. 4.7 Switching Characteristics: ACT Series
  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
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      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

Table 6-1 Truth Tables
INPUTS OUTPUT
10E, 20E A Y
L L H
L H L
H X Z
(AC/ACT240)

INPUTS OUTPUT
10E, 20E A Y
L L L
L H H
H X Z
(AC/ACT244)

INPUTS OUTPUT INPUTS OUTPUT
10E 1A 1Y 20E 2A 2Y
L L L L X Z
L H H H L L
H X Z H H H
(AC/ACT241)