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)
  • W|20
  • J|20
  • FK|20
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.9 Switching Characteristics – CL = 50 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 VSN54HC244170ns
SN74HC244145
VCC = 4.5 VSN54HC24434
SN74HC24429
VCC = 6 VSN54HC24429
SN74HC24425
tenFrom OE (input) to Y (output)VCC = 2 VSN54HC244225ns
SN74HC244190
VCC = 4.5 VSN54HC24445
SN74HC24438
VCC = 6 VSN54HC24438
SN74HC24432
tdisFrom OE (input) to Y (output)VCC = 2 VSN54HC244225ns
SN74HC244190
VCC = 4.5 VSN54HC24445
SN74HC24438
VCC = 6 VSN54HC24438
SN74HC24432
ttTo Y (output)VCC = 2 VSN54HC24490ns
SN74HC24475
VCC = 4.5 VSN54HC24418
SN74HC24415
VCC = 6 VSN54HC24415
SN74HC24413
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