ZHCSQK2F December   1982  – May 2022 SN54HC244 , SN74HC244

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  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  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. 7 Parameter Measurement Information
  8. 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. 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 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, 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
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.10 Switching Characteristics – CL = 150 pF

over recommended operating free-air temperature range (unless otherwise noted; see Figure 7-1)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
tpdFrom A (input) to Y (output)VCC = 2 VSN54HC244245ns
SN74HC244210
VCC = 4.5 VSN54HC24449
SN74HC24442
VCC = 6 VSN54HC24442
SN74HC24435
tenFrom OE (input) to Y (output)VCC = 2 VSN54HC244300ns
SN74HC244250
VCC = 4.5 VSN54HC24460
SN74HC24450
VCC = 6 VSN54HC24451
SN74HC24443
ttTo Y (output)VCC = 2 VSN54HC244315ns
SN74HC244265
VCC = 4.5 VSN54HC24463
SN74HC24453
VCC = 6 VSN54HC24453
SN74HC24445
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