SCLS130H December   1982  – February 2025 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 – SN54HC244
    7. 5.7  Electrical Characteristics – SN74HC244
    8. 5.8  Switching Characteristics
    9. 5.9  Switching Characteristics – CL = 50 pF
    10. 5.10 Switching Characteristics – CL = 150 pF
    11. 5.11 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 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)
  • DB|20
  • NS|20
  • N|20
  • PW|20
  • DW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.10 Switching Characteristics – CL = 150 pF

over recommended operating free-air temperature range (unless otherwise noted; see Figure 6-1)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
tpdFrom A (input) to Y (output)VCC = 2 VSN54HC244245ns
SN74HC244245
VCC = 4.5 VSN54HC24449
SN74HC24449
VCC = 6 VSN54HC24442
SN74HC24442
tenFrom OE (input) to Y (output)VCC = 2 VSN54HC244300ns
SN74HC244300
VCC = 4.5 VSN54HC24460
SN74HC24460
VCC = 6 VSN54HC24451
SN74HC24451
ttTo Y (output)VCC = 2 VSN54HC244315ns
SN74HC244315
VCC = 4.5 VSN54HC24463
SN74HC24463
VCC = 6 VSN54HC24453
SN74HC24453