SCAS298O January   1993  – June 2026 SN54LVC541A , SN74LVC541A

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5.   5
  6. 4 Pin Configuration and Functions
  7. 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—DC Limit Changes
    6. 5.6  Switching Characteristics - SN54LVC541A
    7. 5.7  Switching Characteristics, SN74LVC541A –40°C to 85°C
    8. 5.8  Switching Characteristics, SN74LVC541A –40°C to 125°C
    9. 5.9  Operating Characteristics
    10. 5.10 Typical Characteristics
  8. 6 Parameter Measurement Information
  9. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1 Balanced CMOS 3-State Outputs
      2. 7.3.2 Partial Power Down (Ioff)
      3. 7.3.3 Standard CMOS Inputs
      4. 7.3.4 Clamp Diode Structure
    4. 7.4 Device Functional Modes
  10. 8 Application and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
        1. 8.2.1.1 Power Considerations
        2. 8.2.1.2 Input Considerations
        3. 8.2.1.3 Output Considerations
      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
  11. 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
  12. 10Revision History
  13. 11Mechanical, Packaging, and Orderable Information

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5.4 Thermal Information

PACKAGE PINS THERMAL METRIC(1) UNIT
RθJA RθJC(top) RθJB ΨJT ΨJB RθJC(bot)
PW (TSSOP) 20 120.3 62.5 82.4 16.0 81.5 N/A °C/W
DGS (VSSOP) 20 129.9 72.4 86.1 18.6 85.8 N/A °C/W
RKS (VQFN) 20 87.2 93.4 59.8 24.9 59.6 44.3 °C/W
DB (SSOP) 20 121.7 86.8 87.8 44.7 87 N/A °C/W
DW (SOIC) 20 114.8 84.1 88.8 55.8 87.8 N/A °C/W
NS (SOP) 20 116.3 82.4 86.2 43.9 85.5 N/A °C/W
DGV (TVSOP) 20 128.7 43.8 70.4 3.2 69.7 N/A °C/W
RGY (VQFN) 20 82.84 88.73 56.81 32.37 56.62 42.09 °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application note.