ZHCSRE3N November   1996  – December 2022 SN74LVCC4245A

PRODUCTION DATA  

  1. 特性
  2. 应用
  3. 说明
  4. Revision History
  5. Pin Configuration and 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 Switching Characteristics
    7. 6.7 Operating Characteristics
    8. 6.8 Typical Characteristics
  7. Power-Up Consideration
  8. Parameter Measurement Information For A to B VCCA = 4.5 V to 5.5 V and VCCB = 2.7 V to 3.6 V
  9. Parameter Measurement Information For A to B VCCA = 4.5 V to 5.5 V and VCCB = 3.6 V to 5.5 V
  10. 10Parameter Measurement Information For B to A VCCA = 4.5 V to 5.5 V and VCCB = 2.7 V to 3.6 V
  11. 11Parameter Measurement Information For B to A VCCA = 4.5 V to 5.5 V and VCCB = 3.6 V to 5.5 V
  12. 12Detailed Description
    1. 12.1 Overview
    2. 12.2 Functional Block Diagram
    3. 12.3 Feature Description
    4. 12.4 Device Functional Modes
  13. 13Application and Implementation
    1. 13.1 Application Information
    2. 13.2 Typical Application
      1. 13.2.1 Design Requirements
      2. 13.2.2 Detailed Design Procedure
      3. 13.2.3 Application Curves
  14. 14Power Supply Recommendations
  15. 15Layout
    1. 15.1 Layout Guidelines
    2. 15.2 Layout Example
  16. 16Device and Documentation Support
    1. 16.1 Documentation Support
      1. 16.1.1 Related Documentation
    2. 16.2 接收文档更新通知
    3. 16.3 支持资源
    4. 16.4 Trademarks
    5. 16.5 Electrostatic Discharge Caution
    6. 16.6 术语表
  17. 17Mechanical, 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)
  • NS|24
  • DW|24
  • DB|24
  • PW|24
散热焊盘机械数据 (封装 | 引脚)
订购信息

说明

这款 8 位(八路)同相总线收发器采用两个独立的电源轨。A 端口 VCCA 专用于接受 5V 电源电平,可配置的 B 端口(用于跟踪 VCCB)接受 3V 至 5V 的电压。这样可实现从 3.3V 到 5V 的环境转换,反之亦然。

SN74LVCC4245A 器件旨在实现数据总线之间的异步通信。SN74LVCC4245A 器件根据方向控制 (DIR) 输入上的逻辑电平,将数据从 A 总线发送至 B 总线,或者将数据从 B 总线发送至 A 总线。输出使能 (OE) 输入可用于禁用器件,这样可有效隔离总线。控制电路(DIR,OE)由 VCCA 供电

封装信息(1)
器件型号 封装 封装尺寸(标称值)
SN74LVCC4245A DB (SSOP, 24) 8.20mm × 5.30mm
DW(SOIC,24) 15.40mm × 7.50mm
NS(SOP,24) 15.00mm × 5.30mm
PW(TSSOP,24) 7.80mm × 4.40mm
如需了解可用封装,请参阅数据表末尾的可订购产品附录。
GUID-C187A34B-7650-4C3E-B9FB-19E55B792EF3-low.gif逻辑图(正逻辑)