ZHCSWZ5P October   1995  – August 2024 SN54AHC541 , SN74AHC541

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 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
    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 Curve
    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 Documentation Support
      1. 9.1.1 Related Links
    2. 9.2 接收文档更新通知
    3. 9.3 支持资源
    4. 9.4 Trademarks
    5. 9.5 静电放电警告
    6. 9.6 术语表
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • DGV|20
  • DB|20
  • NS|20
  • N|20
  • DW|20
  • PW|20
散热焊盘机械数据 (封装 | 引脚)
订购信息

5.4 Thermal Information

THERMAL METRIC(1) SN74AHC541 UNIT
DB (SSOP) DGV (TVSOP) DW (SOIC) N
(PDIP)		 NS
(SO)		 PW (TSSOP)
20 PINS 20 PINS 20 PINS 20 PINS 20 PINS 20 PINS
RθJA Junction-to-ambient thermal resistance 99.9 119.2 81.1 68.5 77.6 116.8 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 61.7 34.5 48.6 48.5 42.7 58.5
RθJB Junction-to-board thermal resistance 55.2 60.7 53.8 44.9 45.7 78.7
ψJT Junction-to-top characterization parameter 22.6 1.2 19.5 28.0 10.2 12.6
ψJB Junction-to-board characterization parameter 54.8 60.0 53.1 44.5 45.2 77.9
RθJC(bot) Junction-to-case (bottom) thermal resistance N/A N/A N/A N/A N/A N/A
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report (SPRA953).
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