JAJSO79H April   2004  – March 2022 SN54HC148 , SN74HC148

PRODUCTION DATA  

  1. 1 Features
  2. 2 アプリケーション
  3. 3 概要
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 Recommended Operating Conditions (1)
    3. 6.3 Thermal Information
    4. 6.4 Electrical Characteristics
    5. 6.5 Switching Characteristics
    6. 6.6 Operating Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Device Functional Modes
  9. 9 Application Information
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 Receiving Notification of Documentation Updates
    3. 12.3 サポート・リソース
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 Glossary
  13. 13Mechanical, 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）
  • NS|16
  • N|16
  • D|16
サーマルパッド・メカニカル・データ
発注情報

9 Application Information

GUID-95D1C8F6-85D4-478C-8FD4-8E245FC8BE9C-low.png Figure 9-1 Priority Encoder for 16 Bits

Because the ’HC148 devices are combinational logic circuits, wrong addresses can appear during input transients. Moreover, a change from high to low at EI can cause a transient low on GS when all inputs are high. This must be considered when strobing the outputs.