JAJSNC7J November   1998  – November 2021 CD54HC138 , CD54HC238 , CD54HCT138 , CD54HCT238 , CD74HC138 , CD74HC238 , CD74HCT138 , CD74HCT238

PRODUCTION DATA  

  1. 1 特長
  2. 2 概要
  3. 3 Revision History
  4. 4 Pin Configuration and Functions
    1.     5
  5. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 Recommended Operating Conditions
    3. 5.3 Thermal Information
    4. 5.4 Electrical Characteristics
    5. 5.5 Switching Characteristics (2)
  6. 6 Parameter Measurement Information
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Device Functional Modes
  8. 8 Power Supply Recommendations
  9. 9 Layout
    1. 9.1 Layout Guidelines
  10. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 Receiving Notification of Documentation Updates
    3. 10.3 サポート・リソース
    4. 10.4 Trademarks
    5. 10.5 Electrostatic Discharge Caution
    6. 10.6 Glossary
  11. 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）
  • PW|16
  • N|16
  • D|16
サーマルパッド・メカニカル・データ
発注情報

7.3 Device Functional Modes

Table 7-1 Function Table 'HC138, 'HCT138
INPUTS OUTPUTS
STROBE ADDRESS
G2 G1 G0 A2 A1 A0 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
X X H X X X H H H H H H H H
L X X X X X H H H H H H H H
X H X X X X H H H H H H H H
H L L L L L L H H H H H H H
H L L L L H H L H H H H H H
H L L L H L H H L H H H H H
H L L L H H H H H L H H H H
H L L H L L H H H H L H H H
H L L H L H H H H H H L H H
H L L H H L H H H H H H L H
H L L H H H H H H H H H H L

H = High Voltage Level, L = Low Voltage Level, X = Don’t Care

Table 7-2 Function Table 'HC238, 'HCT238
INPUTS OUTPUTS
STROBE ADDRESS
G2 G1 G0 A2 A1 A0 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7
X X H X X X L L L L L L L L
L X X X X X L L L L L L L L
X H X X X X L L L L L L L L
H L L L L L H L L L L L L L
H L L L L H L H L L L L L L
H L L L H L L L H L L L L L
H L L L H H L L L H L L L L
H L L H L L L L L L H L L L
H L L H L H L L L L L H L L
H L L H H L L L L L L L H L
H L L H H H L L L L L L L H

H = High Voltage Level, L = Low Voltage Level, X = Don’t Care