SCLS175H march   2003  – august 2023 SN54HCT244 , SN74HCT244

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 Revision History
  6. 5 Pin Configuration and Functions
  7. 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 - SN54HCT244
    6. 6.6  Electrical Characteristics - SN74HCT244
    7. 6.7  Switching Characteristics: SN54HCT244
    8. 6.8  Switching Characteristics: SN74HCT244
    9. 6.9  Operating Characteristics
    10. 6.10 Typical Characteristics
  8. 7 Parameter Measurement Information
  9. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  10. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 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
  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
Thermal pad, mechanical data (Package|Pins)
Orderable Information

6.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)(1)
MINNOMMAXUNIT
VCCSupply voltage4.555.5V
VIHHigh-level input voltageVCC = 4.5 V to 5.5 V2V
VILLow-level input voltageVCC = 4.5 V to 5.5 V0.8V
VIInput voltage0VCCV
VOOutput voltage0VCCV
∆t/∆vInput transition rise and fall time500ns
TAOperating free-air temperatureSN54HCT244–55125°C
SN74HCT244(2)–4085
–40 125
(1) All unused inputs of the device must be held at VCC or GND to ensure proper device operation. See the Implications of Slow or Floating CMOS Inputs application report.
(2) For correct operating free-air temperature, see the orderable addendum at the end of the data sheet.