SGDS017A february   2002  – april 2023 SN74AHC244Q

PRODMIX  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Function Table
  6. 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 Switching Characteristics, VCC = 3.3 V ± 0.3 V
    7. 6.7 Switching Characteristics, VCC = 5 V ± 0.5 V
    8. 6.8 Noise Characteristics
    9. 6.9 Operating Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Device Functional Modes
  9. 9 Application and Implementation
    1. 9.1 Power Supply Recommendations
    2. 9.2 Layout
      1. 9.2.1 Layout Guidelines
        1. 9.2.1.1 Layout Example
  10. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 Support Resources
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  11. 11Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • DW|20
  • PW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.4 Thermal Information

THERMAL METRIC(1) SN74AHC244Q UNIT
DW PW
20 PINS 20 PINS
RθJA Junction-to-ambient thermal resistance 58 83 °C/W
(1) For more information about traditional and new thermal metrics, see the IC Package Thermal Metrics application report, SPRA953.