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

5.9 Switching Characteristics – CL = 50 pF

over recommended operating free-air temperature range (unless otherwise noted; see Figure 6-1)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
tpd From A (input) to Y (output) VCC = 2 V SN54HC244 170 ns
SN74HC244 170
VCC = 4.5 V SN54HC244 34
SN74HC244 34
VCC = 6 V SN54HC244 29
SN74HC244 29
ten From OE (input) to Y (output) VCC = 2 V SN54HC244 225 ns
SN74HC244 225
VCC = 4.5 V SN54HC244 45
SN74HC244 45
VCC = 6 V SN54HC244 38
SN74HC244 38
tdis From OE (input) to Y (output) VCC = 2 V SN54HC244 225 ns
SN74HC244 225
VCC = 4.5 V SN54HC244 45
SN74HC244 45
VCC = 6 V SN54HC244 38
SN74HC244 38
tt To Y (output) VCC = 2 V SN54HC244 90 ns
SN74HC244 90
VCC = 4.5 V SN54HC244 18
SN74HC244 18
VCC = 6 V SN54HC244 15
SN74HC244 15