SCLS230N October   1995  – June 2024 SN54AHC245 , SN74AHC245

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  Handling Ratings
    3. 5.3  Recommended Operating Conditions
    4. 5.4  Thermal Information
    5. 5.5  Electrical Characteristics
    6. 5.6  Switching Characteristics, VCC = 3.3 V ± 0.3 V
    7. 5.7  Switching Characteristics, VCC = 5 V ± 0.5 V
    8. 5.8  Noise Characteristics
    9. 5.9  Operating Characteristics
    10. 5.10 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 Curves
    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 Receiving Notification of Documentation Updates
    2. 9.2 Support Resources
    3. 9.3 Trademarks
    4. 9.4 Electrostatic Discharge Caution
    5. 9.5 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)

5.3 Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)(1)
SN54AHC245 SN74AHC245 UNIT
MIN MAX MIN MAX
VCC Supply voltage 2 5.5 2 5.5 V
VIH High-level input voltage VCC = 2 V 1.5 1.5 V
VCC = 3 V 2.1 2.1
VCC = 5.5 V 3.85 3.85
VIL Low-level input voltage VCC = 2 V 0.5 0.5 V
VCC = 3 V 0.9 0.9
VCC = 5.5 V 1.65 1.65
VI Input voltage OE or DIR 0 5.5 0 5.5 V
VO Output voltage A or B 0 VCC 0 VCC V
IOH High-level output current VCC = 2 V –50 –50 µA
VCC = 3.3 V ± 0.3 V –4 –4 mA
VCC = 5 V ± 0.5 V –8 –8
IOL Low-level output current VCC = 2 V 50 50 µA
VCC = 3.3 V ± 0.3 V 4 4 mA
VCC = 5 V ± 0.5 V 8 8
∆t/∆v Input transition rise or fall rate VCC = 3.3 V ± 0.3 V 100 100 ns/V
VCC = 5 V ± 0.5 V 20 20
TA Operating free-air temperature –55 125 –40 125 °C
(1) All unused inputs of the device must be held at VCC or GND for proper device operation. Refer to the TI application report, Implications of Slow or Floating CMOS Inputs (SCBA004).