SCLS226L October   1995  – July 2024 SN54AHC244 , SN74AHC244

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  Switching Characteristics, VCC = 3.3V ± 0.3V
    7. 5.7  Switching Characteristics, VCC = 5V ± 0.5V
    8. 5.8  Noise Characteristics
    9. 5.9  Operating Characteristics
    10. 5.10 Typical Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
    4. 7.4 Device Functional Modes
  9. 8 Application and Implementation
    1. 8.1 Power Supply Recommendations
    2. 8.2 Layout
      1. 8.2.1 Layout Guidelines
      2. 8.2.2 Layout Example
  10. 9 Device and Documentation Support
    1. 9.1 Documentation Support
      1. 9.1.1 Related Documentation
    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)
  • DGV|20
  • DB|20
  • NS|20
  • N|20
  • DW|20
  • PW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETERTEST CONDITIONSVCCTA = 25°CSN54AHC244SN74AHC244UNIT
MINTYPMAXMINMAXMINMAX
VOHIOH = –50 µA2 V1.921.91.9V
3 V2.932.92.9
4.5 V4.44.54.44.4
IOH = –4 mA3 V2.582.482.48
IOH = –8 mA4.5 V3.943.83.8
VOLIOL = 50 µA2 V0.10.10.1V
3 V0.10.10.1
4.5 V0.10.10.1
IOL = 4 mA3 V0.360.50.44
IOL = 8 mA4.5 V0.360.50.44
IIVI = 5.5 V or GND0 V to 5.5 V±0.1±1(1)±1µA
IOZVO = VCC or GND,
VI ( OE) = VIL or VIH		5.5 V±0.25±2.5±2.5µA
ICCVI = VCC or GND,IO = 05.5 V44040µA
CiVI = VCC or GND5 V21010pF
CoVO = VCC or GND5 V3.5pF
(1) On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0 V.