SCLS251J October   1995  – August 2024 SN54AHC240 , SN74AHC240

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 Electrical Characteristics
    6. 5.6 Switching Characteristics
    7. 5.7 Noise Characteristics
    8. 5.8 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • W|20
  • J|20
  • FK|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)
Specification Description Condition MIN MAX UNIT
VCC Supply voltage 2 5.5 V
VIH High-level input voltage VCC = 2V 1.5 V
VCC = 3V 2.1
VCC = 5.5V 3.85
VIL Low-Level input voltage VCC = 2V 0.5 V
Low-Level input voltage VCC = 3V 0.9
Low-Level input voltage VCC = 5.5V 1.65
VI Input Voltage 0 5.5 V
VO Output Voltage 0 VCC V
IOH High-level output current VCC = 2V -50 µA
VCC = 3.3V ± 0.3V -4 mA
VCC = 5V ± 0.5V -8 mA
IOL Low-level output current VCC = 2V 50 µA
VCC = 3.3V ± 0.3V 4 mA
VCC = 5V ± 0.5V 8 mA
∆t/∆v Input transition rise or fall rate VCC = 3.3V ± 0.3V 100 ns/V
VCC = 5V ± 0.5V 20 ns/V
TA Operating free-air temperature –40 125 °C