SCLS107G December   1982  – October 2021 SN54HC138 , SN74HC138

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings: SN74HC138
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information: SN74HC138
    5. 6.5  Thermal Information: SN54HC138
    6. 6.6  Electrical Characteristics
    7. 6.7  Electrical Characteristics: SN74HC138
    8. 6.8  Electrical Characteristics: SN54HC138
    9. 6.9  Switching Characteristics
    10. 6.10 Switching Characteristics: SN74HC138
    11. 6.11 Switching Characteristics: SN54HC138
    12. 6.12 Typical Characteristic
  7. 7 Parameter Measurement Information
    1.     21
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Related Links
    3. 12.3 Receiving Notification of Documentation Updates
    4. 12.4 Support Resources
    5. 12.5 Trademarks
    6. 12.6 Electrostatic Discharge Caution
    7. 12.7 Glossary
  13. 13Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • W|16
  • J|16
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.10 Switching Characteristics: SN74HC138

over recommended operating free-air temperature range and CL = 50 pF (unless otherwise noted; see Section 7)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
tpdFrom A, B, or C (input) to any Y (output)VCC = 2 V225ns
VCC = 4.5 V45
VCC = 6 V38
From enable (input) to any Y (output)VCC = 2 V195
VCC = 4.5 V39
VCC = 6 V33
ttTo any outputVCC = 2 V95ns
VCC = 4.5 V19
VCC = 6 V16