SCAS967 March   2024 SN74AHC238-Q1

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
    1.     6
    2.     7
  6. 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
  7. Parameter Measurement Information
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Balanced CMOS Push-Pull Outputs
      2. 7.3.2 Standard CMOS Inputs
      3. 7.3.3 Wettable Flanks
      4. 7.3.4 Clamp Diode Structure
    4. 7.4 Device Functional Modes
  9. Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
    3. 8.3 Design Requirements
      1. 8.3.1 Power Considerations
      2. 8.3.2 Input Considerations
      3. 8.3.3 Output Considerations
    4. 8.4 Detailed Design Procedure
    5. 8.5 Application Curve
    6. 8.6 Power Supply Recommendations
    7. 8.7 Layout
      1. 8.7.1 Layout Guidelines
      2. 8.7.2 Layout Example
  10. Device and Documentation Support
    1. 9.1 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 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)
  • PW|16
  • BQB|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

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
VCC = 3V 0.9
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
TA Operating free-air temperature –40 125 °C