SCLS376J June   1997  – July 2024 SN54AHC273 , SN74AHC273

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Pin Configuration and Functions
  6. 5 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  Timing Requirements, VCC = 3.3 V ± 0.3 V
    7. 5.7  Timing Requirements, VCC = 5 V ± 0.5 V
    8. 5.8  Switching Characteristics, VCC = 3.3 V ± 0.3 V
    9. 5.9  Switching Characteristics, VCC = 5 V ± 0.5 V
    10. 5.10 Noise Characteristics
    11. 5.11 Operating Characteristics
    12. 5.12 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Links
    2. 9.2 Receiving Notification of Documentation Updates
    3. 9.3 Support Resources
    4. 9.4 Trademarks
    5. 9.5 Electrostatic Discharge Caution
    6. 9.6 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)
  • W|20
  • J|20
  • FK|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

8.2.2 Detailed Design Procedure

  1. Recommended input conditions
    • Rise time and fall time specs: See (Δt/ΔV) in the Section 5.3 table.
    • Specified High and low levels: See (VIH and VIL) in the Section 5.3 table.
    • Inputs are overvoltage tolerant allowing them to go as high as 5.5 V at any valid VCC
  2. Recommend output conditions
    • Load currents should not exceed 25 mA per output and 75 mA total for the part
    • Outputs should not be pulled above VCC