SCAS292R January   1993  – May 2024 SN54LVC157A , SN74LVC157A

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  ESD Ratings
    3. 4.3  Recommended Operating Conditions, SN54LVC157A
    4. 4.4  Recommended Operating Conditions, SN74LVC157A
    5. 4.5  Thermal Information
    6. 4.6  Electrical Characteristics, SN54LVC157A
    7. 4.7  Electrical Characteristics, SN74LVC157A
    8. 4.8  Switching Characteristics, SN54LVC157A
    9. 4.9  Switching Characteristics, SN74LVC157A
    10. 4.10 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
      2. 7.2.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 Documentation Support (Analog)
      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 Recommended Operating Conditions, SN74LVC157A

over operating free-air temperature range (unless otherwise noted)(1)
SN74LVC157A UNIT
TA = 25°C –40 TO 85°C –40 TO 125°C
MIN MAX MIN MAX MIN MAX
VCC Supply voltage Operating 1.65 3.6 1.65 3.6 1.65 3.6 V
Data retention only 1.5 1.5 1.5
VIH High-level input voltage VCC = 1.65V to 1.95V 0.65 × VCC 0.65 × VCC 0.65 × VCC V
VCC = 2.3V to 2.7V 1.7 1.7 1.7
VCC = 2.7V to 3.6V 2 2 2
VIL Low-level input voltage VCC = 1.65V to 1.95V 0.35 × VCC 0.35 × VCC 0.35 × VCC V
VCC = 2.3V to 2.7V 0.7 0.7 0.7
VCC = 2.7V to 3.6V 0.8 0.8 0.8
VI Input voltage 0 5.5 0 5.5 0 5.5 V
VO Output voltage 0 VCC 0 VCC 0 VCC V
IOH High-level output current VCC = 1.65V –4 –4 –4 mA
VCC = 2.3V –8 –8 –8
VCC = 2.7V –12 –12 –12
VCC = 3V –24 –24 –24
IOL Low-level output current VCC = 1.65V 4 4 4 mA
VCC = 2.3V 8 8 8
VCC = 2.7V 12 12 12
VCC = 3V 24 24 24
Δt/Δv Input transition rise and fall rate 10 10 10 ns/V
(1) All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs, literature number SCBA004.