ZHCSN44B December   2021  – December 2023 SN75LVPE5421

PRODUCTION DATA  

  1.   1
  2. 1 特性
  3. 2 应用
  4. 3 说明
  5. 4 Pin Configuration and Functions
  6. 5 Specifications
    1. 5.1 Absolute Maximum Ratings
    2. 5.2 ESD Ratings
    3. 5.3 Recommended Operating Conditions
    4. 5.4 Thermal Information
    5. 5.5 DC Electrical Characteristics
    6. 5.6 High Speed Electrical Characteristics
    7. 5.7 SMBUS/I2C Timing Characteristics
    8. 5.8 Typical Characteristics
    9. 5.9 Typical Jitter Characteristics
  7. 6 Detailed Description
    1. 6.1 Overview
    2. 6.2 Functional Block Diagram
    3. 6.3 Feature Description
      1. 6.3.1 Five-Level Control Inputs
      2. 6.3.2 Linear Equalization
      3. 6.3.3 Flat Gain
      4. 6.3.4 Receiver Detect State Machine
    4. 6.4 Device Functional Modes
      1. 6.4.1 Active PCIe Mode
      2. 6.4.2 Active Buffer Mode
      3. 6.4.3 Standby Mode
    5. 6.5 Programming
      1. 6.5.1 Pin Mode
      2. 6.5.2 SMBUS/I2C Register Control Interface
        1. 6.5.2.1 Shared Registers
        2. 6.5.2.2 Channel Registers
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 PCIe x8 Lane Switching
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
      2. 7.2.2 Protocol Agnostic Linear Redriver for High Speed Interfaces
    3. 7.3 Power Supply Recommendations
    4. 7.4 Layout
      1. 7.4.1 Layout Guidelines
      2. 7.4.2 Layout Example
  9. 8 Device and Documentation Support
    1. 8.1 接收文档更新通知
    2. 8.2 支持资源
    3. 8.3 Trademarks
    4. 8.4 静电放电警告
    5. 8.5 术语表
  10. 9 Revision History
  11. 10Mechanical, 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)
  • RUA|42
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.1 Overview

The SN75LVPE5421 is a four channel linear redriver with integrated multiplexer (mux). The low-power high-performance linear repeater or redriver is designed to support PCIe 1.0, 2.0, 3.0, 4.0, and 5.0. The device is a protocol agnostic linear redriver that can operate for other AC-coupled interface up to 32Gbps.

The signal channels of the SN75LVPE5421 operate independently from one another. Each channel includes a continuous-time linear equalizer (CTLE) and a linear output driver, which together compensate for a lossy transmission channel between the source transmitter and the final receiver. The linearity of the data path is specifically designed to preserve any transmit equalization while keeping PCIe receiver's (either from Root Complex or Endpoint) equalization effective.

The SN75LVPE5421 can be configured in two different ways:

Pin Mode – device control configuration is done solely by strap pins. Pin mode is expected to be good enough for many system implementation needs.

SMBus/I2C Secondary Mode – provides most flexibility. Requires an external SMBus/I2C primary device to configure SN75LVPE5421 though writing to its secondary address.

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