JAJSQV2G June   1995  – March 2024 SN54ACT244 , SN74ACT244

PRODUCTION DATA  

  1.   1
  2. 1 特長
  3. 2 アプリケーション
  4. 3 概要
  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
    7. 5.7 Operating Characteristics
    8. 5.8 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 Documentation
    2. 9.2 ドキュメントの更新通知を受け取る方法
    3. 9.3 サポート・リソース
    4. 9.4 Trademarks
    5. 9.5 静電気放電に関する注意事項
    6. 9.6 用語集
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

パッケージ・オプション

デバイスごとのパッケージ図は、PDF版データシートをご参照ください。

メカニカル・データ（パッケージ｜ピン）
  • W|20
  • J|20
サーマルパッド・メカニカル・データ
発注情報

5.4 Thermal Information

THERMAL METRIC(1) SNx4ACT244 UNIT
DB
(SSOP)		 DGS
(VSSOP)		 DW
(SOIC)		 N
(PDIP)		 NS
(SO)		 PW
(TSSOP)		 RKS
(VQFN)
20 PINS 20 PINS 20 PINS 20 PINS 20 PINS 20 PINS 20 PINS
RθJA Junction-to-ambient thermal resistance 117.2 123.5 101.2 48.1 106.2 126.2 67.7 °C/W
RθJC(top) Junction-to-case (top) thermal resistance 76.9 62.1 68.2 34.1 72 68.7 72.4 °C/W
RθJB Junction-to-board thermal resistance 72.1 78.5 69.7 29 71.2 77.3 40.4 °C/W
ψJT Junction-to-top characterization parameter 43.1 7.8 44.1 19.5 42.4 22.3 10.3 °C/W
ψJB Junction-to-board characterization parameter 71.7 78.0 69.2 28.9 70.9 76.9 40.4 °C/W
RθJC(bot) Junction-to-case (bottom) thermal resistance N/A N/A N/A N/A N/A N/A 24.1 °C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application report.