ZHCSIR4Q July   1995  – September 2018 SN54LVCH245A , SN74LVCH245A

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      简化原理图
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin Functions
    2.     Pin Assignments: ZQN Package
    3.     Pin Assignments: ZXY Package
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions: SN74LVCH245A
    4. 6.4  Recommended Operating Conditions: SN54LVCH245A
    5. 6.5  Thermal Information
    6. 6.6  Electrical Characteristics: SN74LVCH245A
    7. 6.7  Electrical Characteristics: SN54LVCH245A
    8. 6.8  Switching Characteristics: SN74LVCH245A, –40°C TO 85°C
    9. 6.9  Switching Characteristics: SN74LVCH245A, –40°C TO 125°C
    10. 6.10 Switching Characteristics: SN54LVCH245A
    11. 6.11 Operating Characteristics
    12. 6.12 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Balanced High-Drive CMOS Push-Pull Outputs
      2. 8.3.2 Standard CMOS Inputs
      3. 8.3.3 Negative Clamping Diodes
      4. 8.3.4 Bus-Hold Data Inputs
      5. 8.3.5 Partial Power Down (Ioff)
      6. 8.3.6 Over-voltage Tolerant Inputs
      7. 8.3.7 Output Enable
    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 Curves
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12器件和文档支持
    1. 12.1 相关链接
    2. 12.2 商标
    3. 12.3 静电放电警告
    4. 12.4 术语表
  13. 13机械、封装和可订购信息

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

3 说明

SN54LVCH245A 八路总线收发器专为 2.7V 至 3.6V VCC 操作而设计，SN74LVCH245A 八路总线收发器专为 1.65V 至 3.6V VCC 操作而设计。输入可以由 3.3V 或 5V 器件驱动。此功能允许在混合 3.3V/5V 系统环境中将这些设备用作转换器。

器件信息(1)

器件编号 封装 封装尺寸（标称值）
SN74LVCH245ADBR SSOP (20) 7.20mm × 5.30mm
SN74LVCH245ADGVR TVSOP (20) 5.00mm × 4.40mm
SN74LVCH245ADWR SOIC (20) 12.80mm x 7.50mm
SN74LVCH245ANSR SO (20) 12.60mm × 5.30mm
SN74LVCH245APWR TSSOP (20) 6.50mm × 4.40mm
SN74LVCH245ARGYR VQFN (20) 4.50mm x 3.50mm
SN74LVCH245AZQNR BGA MICROSTAR JUNIOR (20) 4.00mm × 3.00mm
SN74LVCH245AZXYR BGA MICROSTAR JUNIOR (20) 3.00mm x 2.50mm
  1. 如需了解所有可用封装，请参阅数据表末尾的可订购产品附录。