SCLS174H March   1984  – August 2024 SN54HCT240 , SN74HCT240

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Description
  4. 3 Pin Configuration and Functions
  5. 4 Specifications
    1. 4.1 Absolute Maximum Ratings
    2. 4.2 Recommended Operating Conditions
    3. 4.3 Thermal Information
    4. 4.4 Electrical Characteristics
    5. 4.5 Switching Characteristics
    6. 4.6 Switching Characteristics
    7. 4.7 Operating Characteristics
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
  9. 8 Device and Documentation Support
    1. 8.1 Receiving Notification of Documentation Updates
    2. 8.2 Support Resources
    3. 8.3 Trademarks
    4. 8.4 Electrostatic Discharge Caution
    5. 8.5 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • J|20
  • FK|20
Thermal pad, mechanical data (Package|Pins)
Orderable Information

4.4 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC TA = 25°C SN54HCT240 SN74HCT240 UNIT
MIN TYP MAX MIN MAX MIN MAX
VOH VI = VIH or VIL IOH = −20 μA 4.5 V 4.4 4.499 4.4 4.4 V
IOH = −6 mA 3.98 4.3 3.7 3.84
VOL VI = VIH or VIL IOL = 20 μA 4.5 V 0.001 0.1 0.1 0.1 V
IOL = 6 mA 0.17 0.26 0.4 0.33
II VI = VCC or 0 5.5 V ±0.1 ±100 ±1000 ±1000 nA
IOZ VO = VCC or 0, VI = VIH or VIL 5.5 V ±0.01 ±0.5 ±10 ±5 μA
ICC VI = VCC or 0, IO = 0 5.5 V 8 160 80 μA
ΔICC(1) One input at 0.5 V or 2.4 V,
Other inputs at 0 or VCC		 5.5 V 1.4 2.4 3 2.9 mA
Ci 4.5 V to 5.5 V 3 10 10 10 pF
(1) 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.