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

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • N|20
  • DW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5 Parameter Measurement Information

CD54AC240 CD54AC244 CD54ACT240 CD54ACT241 CD54ACT244 CD74AC240 CD74AC244 CD74ACT240 CD74ACT241 CD74ACT244 Simultaneous Switching Transient Waveforms.
A. VOHV AND VOLP ARE MEASURED WITH RESPECT TO A GROUND REFERENCE NEAR THE OUTPUT UNDER TEST.
B. INPUT PULSES HAVE THE FOLLOWING CHARACTERISTICS: PRR ≤ 1 MHz, tr = 3 ns, tf = 3 ns, SKEW 1 ns.
C. R.F. FIXTURE WITH 700-MHz DESIGN RULES REQUIRED. IC SHOULD BE SOLDERED INTO TEST BOARD AND BYPASSED WITH 0.1 μF CAPACITOR. SCOPE AND PROBES REQUIRE 700-MHz BANDWIDTH.
D. 92CS-42406
Figure 5-1 Simultaneous Switching Transient Waveforms.
CD54AC240 CD54AC244 CD54ACT240 CD54ACT241 CD54ACT244 CD74AC240 CD74AC244 CD74ACT240 CD74ACT241 CD74ACT244 Three-state Propagation Delay Times and Test Circuit. Figure 5-2 Three-state Propagation Delay Times and Test Circuit.
CD54AC240 CD54AC244 CD54ACT240 CD54ACT241 CD54ACT244 CD74AC240 CD74AC244 CD74ACT240 CD74ACT241 CD74ACT244 Propagation Delay Times and Test Circuit. Figure 5-3 Propagation Delay Times and Test Circuit.
CDX4AC CDX4ACT
Input Level VCC 3 V
Input Switching Voltage, VS 0.5 VCC 1.5 V
Output Switching Voltage, VS 0.5 VCC 0.5 VCC