JAJSON0F December   1982  – May 2022 SN54HC244 , SN74HC244

PRODUCTION DATA  

  1. 特長
  2. アプリケーション
  3. 概要
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  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  Electrical Characteristics – SN54HC244
    7. 6.7  Electrical Characteristics – SN74HC244
    8. 6.8  Switching Characteristics
    9. 6.9  Switching Characteristics – CL = 50 pF
    10. 6.10 Switching Characteristics – CL = 150 pF
    11. 6.11 Typical Characteristic
  7. Parameter Measurement Information
  8. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  9. Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
      3. 9.2.3 Application Curve
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Links
    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)
  • W|20
  • J|20
サーマルパッド・メカニカル・データ
発注情報

Recommended Operating Conditions

over operating free-air temperature range (unless otherwise noted)(1)
MINNOMMAXUNIT
VCCSupply voltage256V
VIHHigh-level input voltageVCC = 2 V1.5V
VCC = 4.5 V3.15
VCC = 6 V4.2
VILLow-level input voltageVCC = 2 V0.5V
VCC = 4.5 V1.35
VCC = 6 V1.8
VIInput voltage0VCCV
VOOutput voltage0VCCV
Δt/ΔvInput transition rise and fall timeVCC = 2 V1000ns/V
VCC = 4.5 V500
VCC = 6 V400
CpdPower dissipation capacitance per buffer or driver (no load)35pF
TAOperating free-air temperatureSN54HC244–55125°C
SN74HC244–4085
All unused inputs of the device must be held at VCC or GND to ensure proper device operation. See the Texas Instruments application report, Implications of Slow or Floating CMOS Inputs, SCBA004.