SNLU288 December   2020

 

  1.   Trademarks
  2. 1Introduction
    1. 1.1 Features
    2. 1.2 Applications
  3. 2Description
    1. 2.1  DS160PR412 and DS160PR421 4-Level I/O Control Inputs
    2. 2.2  DS160PR412 and DS160PR421 Modes of Operation
    3. 2.3  DS160PR412 and DS160PR421 SMBus or I2C Register Control Interface
    4. 2.4  DS160PR412 and DS160PR421 Equalization Control
    5. 2.5  DS160PR412 and DS160PR421 RX Detect State Machine
    6. 2.6  DS160PR412 and DS160PR421 DC Gain Control
    7. 2.7  DS160PR412-421EVM Global Controls
    8. 2.8  DS160PR412-421EVM Downstream Devices Control
    9. 2.9  DS160PR412-421EVM Upstream Devices Control
    10. 2.10 Quick-Start Guide (Pin Mode)
    11. 2.11 Quick-Start Guide (SMBus Slave Mode)
  4. 3Schematics
  5. 4PCB Layouts
  6. 5Bill of Materials

1.1 Features

This EVM has the following features:

  • PCIe x16 and PCIe x8 Riser Card with two DS160PR412 and two DS160PR421 4-channel unidirectional linear redrivers operating at rates up to 25Gbps.

  • DS160PR412: linear redriver with 1:2 MUX

  • DS160PR421: linear redriver with 2:1 DEMUX

  • Linear equalization for seamless support of link training and PCIe channel extension

  • CTLE boosts up to 18 dB at 8 GHz

  • Device configuration and MUX selection by pin control, SMBus, or I2C.

  • Flow-thru layout with no heat sink required

  • Industrial temperature range: –40°C to 85°C