SCLS529E July   2003  – August 2024 SN74AHCT244-Q1

PRODMIX  

  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
    7. 5.7 Noise Characteristics
    8. 5.8 Operating Characteristics
  7. 6 Parameter Measurement Information
  8. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Device Functional Mode
  9. 8 Application and Implementation
    1. 8.1 Power Supply Recommendations
    2. 8.2 Layout
      1. 8.2.1 Layout Guidelines
        1. 8.2.1.1 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)
  • PW|20
  • DW|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC TA = 25°C MIN MAX UNIT
MIN TYP MAX
VOH IOH = −50 mA 4.5 V 4.4 4.5 4.4 V
IOH = −8 mA 3.94 3.8
VOL IOL = 50 mA 4.5 V 0.1 0.1 V
IOL = 8 mA 0.36 0.44
IOZ VO = VCC or GND 5.5 V ±0.25 ±2.5 μA
II VI = 5.5 V or GND 0 V to 5.5 V ±0.1 ±1 μA
ICC VI = VCC or GND, IO = 0 5.5 V 4 40 μA
∆ICC (1) One input at 3.4 V, Other inputs at VCC or GND 5.5 V 1.35 1.5 μA
Ci VI = VCC or GND 5 V 2.5 10 pF
Co VO = VCC or GND 5 V 3 pF
(1) This is the increase in supply current for each input at one of the specified TTL voltage levels, rather than 0 V or VCC.