SCLS347L May   1996  – April 2024 SN74AHCT157

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 Noise Characteristics
    7. 4.7 Operating Characteristics
    8. 4.8 Typical Characteristics
  6. 5 Parameter Measurement Information
  7. 6 Detailed Description
    1. 6.1 Functional Block Diagram
    2. 6.2 Device Functional Modes
  8. 7 Application and Implementation
    1. 7.1 Power Supply Recommendations
    2. 7.2 Layout
      1. 7.2.1 Layout Guidelines
        1. 7.2.1.1 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support
      1. 8.1.1 Related Links
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

4.4 Electrical Characteristics

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC TA = 25°C SN54AHCT157 SN74AHCT157 UNIT
MIN TYP MAX MIN MAX MIN MAX
VOH IOH = -50μA 4.5V 4.4 4.5 4.4 4.4 V
IOH = -8mA 3.94 3.8 3.8
VOL IOL = 50μA 4.5V 0.1 0.1 0.1 V
IOL = 8mA 0.36 0.44 0.44
II VI = 5.5V or GND 0V to 5.5V ±0.1 ±1(1) ±1 μA
ICC VI = VCC or GND, IO = 0 5.5V 2 20 20 μA
ΔICC (2) One input at 3.4V, Other inputs at VCC or GND 5.5V 1.35 1.5 1.5 mA
Ci VI = VCC or GND 5V 2 10 10 pF
(1) On products compliant to MIL-PRF-38535, this parameter is not production tested at VCC = 0V.
(2) This is the increase in supply current for each input at one of the specified TTL voltage levels rather than 0V or VCC.