SCLS263R December   1995  – October 2023 SN54AHCT74 , SN74AHCT74

PRODMIX  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  Timing Requirements
    7. 6.7  Switching Characteristics
    8. 6.8  Noise Characteristics
    9. 6.9  Operating Characteristics
    10. 6.10 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 TTL-Compatible CMOS Inputs
      2. 8.3.2 Balanced CMOS Push-Pull Outputs
      3. 8.3.3 Clamp Diode Structure
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
        1. 9.2.1.1 Input Considerations
        2. 9.2.1.2 Output Considerations
        3. 9.2.1.3 Power Considerations
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curves
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
        1. 9.4.1.1 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Receiving Notification of Documentation Updates
    2. 10.2 Support Resources
    3. 10.3 Trademarks
    4. 10.4 Electrostatic Discharge Caution
    5. 10.5 Glossary
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • J|14
  • FK|20
  • W|14
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.5 Electrical Characteristics

over operating free-air temperature range (unless otherwise noted)
PARAMETERTEST CONDITIONSVCCTA = 25°CTA = –55°C TO 125°CTA = –40°C TO 85°CTA = –40°C TO 125°CUNIT
Recommended
SN54AHCT74SN74AHCT74SN74AHCT74
MINTYPMAXMINMAXMINMAXMINMAX
VOHIOH = –50 µA4.5 V4.44.54.44.44.4V
IOH = –8 mA3.943.83.83.8
VOLIOL = 50 µA4.5 V0.10.10.10.1V
IOH = 8 mA0.360.440.440.44
IIVI = 5.5 V or GND0 V to 5.5 V±0.1±1(1)±1±1µA
ICCVI = VCC or GND,IO = 05.5 V2202020µA
ΔICCOne input at 3.4 V,
Other inputs at VCC or GND		5.5 V1.351.51.51.5mA
CiVI = VCC or GND5 V21010pF
(1) On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.