JAJSEN0N October   1995  – February 2018 SN54AHCT240 , SN74AHCT240

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     Device Images
      1.      概略回路図
  4. 4 改訂履歴
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Switching Characteristics
    7. 6.7 Noise Characteristics
    8. 6.8 Operating Characteristics
  7. 7 Typical Characteristics
  8. 8 Parameter Measurement Information
  9. 9 Detailed Description
    1. 9.1 Overview
    2. 9.2 Functional Block Diagram
    3. 9.3 Feature Description
    4. 9.4 Device Functional Modes
  10. 10Application and Implementation
    1. 10.1 Application Information
    2. 10.2 Typical Application
      1. 10.2.1 Design Requirements
      2. 10.2.2 Detailed Design Procedure
      3. 10.2.3 Application Curves
  11. 11Power Supply Recommendations
  12. 12Layout
    1. 12.1 Layout Guidelines
    2. 12.2 Layout Example
  13. 13デバイスおよびドキュメントのサポート
    1. 13.1 コミュニティ・リソース
    2. 13.2 関連リンク
    3. 13.3 商標
    4. 13.4 静電気放電に関する注意事項
    5. 13.5 Glossary
  14. 14メカニカル、パッケージ、および注文情報

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）
  • DB|20
  • NS|20
  • N|20
  • DW|20
  • PW|20
サーマルパッド・メカニカル・データ
発注情報

6.6 Switching Characteristics

over recommended operating free-air temperature range, VCC = 5 V ± 0.5 V (unless otherwise noted) (see Parameter Measurement Information section)
PARAMETER TEST CONDITIONS TA = 25°C SN54AHCT240 –40°C to 85°C
SN74AHCT240 		–40°C to 125°C
SN74AHCT240		 UNIT
TYP MAX MIN MAX MIN MAX MIN MAX
tPLH Propagation delay time
(low-to-high output)		 A-to-Y CL = 15 pF 5.4(1) 7.4(1) 1(1) 8.5(1) 1 8.5 1 9.5 ns
tPHL Propagation delay time
(high-to-low output)		 5.4(1) 7.4(1) 1(1) 8.5(1) 1 8.5 1 9.5
tPZH Enable time
(to the high level)		 OE-to-Y CL = 15 pF 7.7(1) 10.4(1) 1(1) 12(1) 1 12 1 13 ns
tPZL Enable time
(to the low level)		 7.7(1) 10.4(1) 1(1) 12(1) 1 12 1 13
tPHZ Disable time
(from high level)		 OE-to-Y CL = 15 pF 8.3(1) 10.4(1) 1(1) 12(1) 1 12 1 13 ns
tPLZ Disable time
(from low level)		 8.3(1) 10.4(1) 1(1) 12(1) 1 12 1 13
tPLH Propagation delay time
(low-to-high output)		 A-to-Y CL = 50 pF 5.9 8.4 1 9.5 1 9.5 1 10.5 ns
tPHL Propagation delay time
(high-to-low output)		 5.9 8.4 1 9.5 1 9.5 1 10.5
tPZH Enable time
(to the high level)		 OE-to-Y CL = 50 pF 8.2 11.4 1 13 1 13 1 14 ns
tPZL Enable time
(to the low level)		 8.2 11.4 1 13 1 13 1 14
tPHZ Disable time
(from high level)		 OE-to-Y CL = 50 pF 8.8 11.4 1 13 1 13 1 14 ns
tPLZ Disable time
(from low level)		 8.8 11.4 1 13 1 13 1 14
tsk(o) Skew (time), output CL = 50 pF 1(2) 1 1 1 ns
(1) On products compliant to MIL-PRF-38535, this parameter is not production tested.
(2) On products compliant to MIL-PRF-38535, this parameter does not apply.