SCLS259M December   1995  – July 2024 SN74AHC139

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 ESD Ratings
    3. 4.3 Recommended Operating Conditions
    4. 4.4 Thermal Information
    5. 4.5 Electrical Characteristics
    6. 4.6 Switching Characteristcs, VCC = 3.3 V ± 0.3 V
    7. 4.7 Switching Characteristics, VCC = 5 V ± 0.5 V
    8. 4.8 Operating Characteristics
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Balanced CMOS 3-State Outputs
      2. 6.3.2 Standard CMOS Inputs
    4. 6.4 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Application
      1. 7.2.1 Design Requirements
        1. 7.2.1.1 Power Considerations
        2. 7.2.1.2 Input Considerations
        3. 7.2.1.3 Output Considerations
      2. 7.2.2 Detailed Design Procedure
      3. 7.2.3 Application Curve
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      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

4.7 Switching Characteristics, VCC = 5 V ± 0.5 V

over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Figure 5-1)
PARAMETER FROM
(INPUT)		 TO
(OUTPUT)		 LOAD
CAPACITANCE		 TA = 25°C TA = –40°C TO 85°C TA = –40°C TO 125°C UNIT
Recommended
SN74AHC139 SN74AHC139
TYP MAX MIN MAX MIN MAX
tPLH A or B Y CL = 15 pF 5(1) 7.2(1) 1 8.5 1 8.5 ns
tPHL 5(1) 7.2(1) 1 8.5 1 8.5
tPLH G Y CL = 15 pF 4.4(1) 6.3(1) 1 7.5 1 7.5 ns
tPHL 4.4(1) 6.3(1) 1 7.5 1 7.5
tPLH A or B Y CL = 50 pF 6.5 9.5 1 10.5 1 10.5 ns
tPHL 6.5 9.5 1 10.5 1 10.5
tPLH G Y CL = 50 pF 5.9 8.3 1 9.5 1 9.5 ns
tPHL 5.9 8.3 1 9.5 1 9.5