SCLS130I December   1982  – February 2026 SN54HC244 , SN74HC244

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  Electrical Characteristics – -55°C – 125°C
    7. 5.7  Electrical Characteristics – -40°C – 125°C
    8. 5.8  Electrical Characteristics – -40°C – 85°C
    9. 5.9  Switching Characteristics
    10. 5.10 Switching Characteristics – CL = 50pF
    11. 5.11 Switching Characteristics – CL = 150pF
    12. 5.12 Typical Characteristic
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Standard CMOS Inputs
    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 Curve
    3. 8.3 Power Supply Recommendations
    4. 8.4 Layout Guidelines
      1. 8.4.1 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Documentation Support
    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

8.4.1 Layout Example

SN54HC244 SN74HC244 Example Trace Corners for Improved Signal Integrity Figure 8-3 Example Trace Corners for Improved Signal Integrity
SN54HC244 SN74HC244 Example Bypass Capacitor Placement for TSSOP and Similar PackagesFigure 8-4 Example Bypass Capacitor Placement for TSSOP and Similar Packages
SN54HC244 SN74HC244 Example Bypass Capacitor Placement for SOT, SC70 and Similar PackagesFigure 8-6 Example Bypass Capacitor Placement for SOT, SC70 and Similar Packages
SN54HC244 SN74HC244 Example Bypass Capacitor Placement for WQFN and Similar PackagesFigure 8-5 Example Bypass Capacitor Placement for WQFN and Similar Packages
SN54HC244 SN74HC244 Example Damping Resistor Placement for Improved Signal Integrity Figure 8-7 Example Damping Resistor Placement for Improved Signal Integrity