SCLS376J June   1997  – July 2024 SN54AHC273 , SN74AHC273

PRODUCTION DATA  

  1.   1
  2. Features
  3. Applications
  4. Description
  5. Pin Configuration and Functions
  6. 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. Parameter Measurement Information
  8. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  9. 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. 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

Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)(1)
SN54AHC273SN74AHC273UNIT
MINMAXMINMAX
VCCSupply voltage25.525.5V
VIHHigh-level input voltageVCC = 2 V1.51.5V
VCC = 3 V2.12.1
VCC = 5.5 V3.853.85
VILLow-level input voltageVCC = 2 V0.50.5V
VCC = 3 V0.90.9
VCC = 5.5 V1.651.65
VIInput voltage05.505.5V
VOOutput voltage0VCC0VCCV
IOHHigh-level output currentVCC = 2 V–50–50µA
VCC = 3 V ± 0.3 V–4–4mA
VCC = 5.5 V ± 0.5 V–8–8
IOLLow-level output currentVCC = 2 V5050µA
VCC = 3 V ± 0.3 V44mA
VCC = 5.5 V ± 0.5 V88
∆t/∆vInput transition rise and fall timeVCC = 3 V ± 0.3 V100100ns/V
VCC = 5.5 V ± 0.5 V2020
TAOperating free-air temperature–55125–40125°C
All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, (SCBA004).