SCLS345L May   1996  – July 2024 SN54AHC157 , SN74AHC157

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 Characteristics, VCC = 3.3V ± 0.3V
    7. 4.7  Switching Characteristics, VCC = 5V ± 0.5V
    8. 4.8  Noise Characteristics
    9. 4.9  Operating Characteristics
    10. 4.10 Typical Characteristics
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Functional Block Diagram
    2. 6.2 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
      2. 7.2.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      1. 8.1.1 Related Links
    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

9 Revision History

Changes from Revision K (April 2024) to Revision L (July 2024)

  • Updated thermal values for RθJA: D = 73 to 93.8, RGY = 39 to 52.9, all values in °C/W Go

Changes from Revision J (June 2013) to Revision K (April 2024)

  • Added Device Information table, Pin Functions table, ESD Ratings table, Thermal Information table, Typical Characteristics, Device Functional Modes,Application and Implementation section, Device and Documentation Support section, and Mechanical, Packaging, and Orderable Information section Go
  • Changed IOH maximums from -50 mA to -0.05 µA Go
  • Changed mA (milliamps) to µA (microamps) for IOH and IOL on Recommended Operating Conditions tableGo
  • Changed IOL maximums from 50 mA to 0.05 µA Go
  • Updated thermal values for PW package from RθJA = 108 to 135.9, all values in °C/WGo