SCAS517G June   1995  – March 2024 SN54ACT244 , SN74ACT244

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
    7. 5.7 Operating Characteristics
    8. 5.8 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 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
      1. 8.4.1 Layout Guidelines
      2. 8.4.2 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)
  • W|20
  • J|20
  • FK|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

5.5 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETERTEST CONDITIONSVCCMINTYPMAXUNIT
VOHIOH = –50 µATA = 25°C4.5 V4.44.49V
SN54ACT2444.4
SN74ACT2444.4
TA = 25°C5.5 V5.45.49
SN54ACT2445.4
SN74ACT2445.4
IOH = –24 mATA = 25°C4.5 V3.86
SN54ACT2443.7
SN74ACT2443.76
TA = 25°C5.5 V4.86
SN54ACT2444.7
SN74ACT2444.76
IOH = –50 mA(1)SN54ACT2445.5 V3.85
IOH = –75 mA(1)SN74ACT2445.5 V3.85
VOLIOL = 50 µATA = 25°C4.5 V0.0010.1V
SN54ACT2440.1
SN74ACT2440.1
TA = 25°C5.5 V0.0010.1
SN54ACT2440.1
SN74ACT2440.1
IOL = 24 mATA = 25°C4.5 V0.36
SN54ACT2440.5
SN74ACT2440.44
TA = 25°C5.5 V0.36
SN54ACT2440.5
SN74ACT2440.44
IOL = 50 mA(1)SN54ACT2445.5 V1.65
IOL = 75 mA(1)SN74ACT2445.5 V1.65
IOZVO = VCC or GNDTA = 25°C5.5 V±0.25µA
SN54ACT244±5
SN74ACT244±2.5
IIVI = VCC or GNDTA = 25°C5.5 V±0.1µA
SN54ACT244±1
SN74ACT244±1
ICCVI = VCC or GND, IO = 0TA = 25°C5.5 V4µA
SN54ACT24480
SN74ACT24440
ΔICC(2)One input at 3.4 V,
Other inputs at GND or VCC		TA = 25°C5.5 V0.6mA
SN54ACT2441.6
SN74ACT2441.5
CIVI = VCC or GNDTA = 25°C5 V2.5pF
CoVI = VCC or GNDTA = 25°C5 V8pF
(1) Not more than one output should be tested at a time, and the duration of the test should not exceed 2 ms.
(2) This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or VCC.