ZHCSQK3H march   2003  – august 2023 SN54HCT244 , SN74HCT244

PRODUCTION DATA  

  1.   1
  2. 特性
  3. 应用
  4. 说明
  5. Revision History
  6. Pin Configuration and Functions
  7. 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 - SN54HCT244
    6. 6.6  Electrical Characteristics - SN74HCT244
    7. 6.7  Switching Characteristics: SN54HCT244
    8. 6.8  Switching Characteristics: SN74HCT244
    9. 6.9  Operating Characteristics
    10. 6.10 Typical Characteristics
  8. Parameter Measurement Information
  9. Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
    4. 8.4 Device Functional Modes
  10. 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
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
  11. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  12. 11Mechanical, Packaging, and Orderable Information

封装选项

请参考 PDF 数据表获取器件具体的封装图。

机械数据 (封装 | 引脚)
  • DB|20
  • NS|20
  • N|20
  • DW|20
  • PW|20
  • DGS|20
散热焊盘机械数据 (封装 | 引脚)
订购信息

Electrical Characteristics - SN54HCT244

over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS VCC TA = 25°C -55°C to 125°C UNIT
MIN TYP MAX MIN TYP MAX
VOH VI = VIH or VIL IOH = –20 µA 4.5 V 4.4 4.499 4.4 V
IOH = –6 mA 3.98 4.3 3.7
VOL VI = VIH or VIL IOL = 20 µA 4.5 V 0.001 0.1 0.1 V
IOL = 6 mA 0.17 0.26 0.4
II VI = VCC or 0 5.5 V ±0.1 ±100 ±1000 nA
IOZ VO = VCC or 0, VI = VIH or VIL 5.5 V ±0.01 ±0.5 ±10 µA
ICC VI = VCC or 0, IO = 0 5.5 V 8 160 µA
∆ICC(1) One input at 0.5 V or 2.4 V, Other inputs at 0 or VCC 5.5 V 1.4 2.4 3 mA
Ci 4.5 V to 5.5 V 3 10 10 pF
This is the increase in supply current for each input that is at one of the specified TTL voltage levels, rather than 0 V or VCC.