SNLS729 September   2025 DS160PR410-Q1

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  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 Charateristics
    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 Linear Equalization
      2. 6.3.2 Flat-Gain
      3. 6.3.3 Receiver Detect State Machine
      4. 6.3.4 Cross Point
    4. 6.4 Device Functional Modes
      1. 6.4.1 Active PCIe Mode
      2. 6.4.2 Linear Equalizer (Buffer) Mode
      3. 6.4.3 Standby Mode
    5. 6.5 Programming
      1. 6.5.1 Pin Mode
        1. 6.5.1.1 Five-Level Control Inputs
      2. 6.5.2 SMBUS/I2C Register Control Interface
        1. 6.5.2.1 Shared Registers
        2. 6.5.2.2 Channel Registers
      3. 6.5.3 SMBus/I 2 C Controller Mode Configuration (EEPROM Self Load)
  8. 7 Application and Implementation
    1. 7.1 Application Information
    2. 7.2 Typical Applications
      1. 7.2.1 x4 Lane Configuration
        1. 7.2.1.1 Design Requirements
        2. 7.2.1.2 Detailed Design Procedure
        3. 7.2.1.3 Application Curves
    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 Documentation Support
      1. 8.1.1 Related Documentation
    2. 8.2 Receiving Notification of Documentation Updates
    3. 8.3 Support Resources
    4. 8.4 Trademarks
    5. 8.5 Electrostatic Discharge Caution
    6. 8.6 Glossary
  10. 9 Revision History
  11. 10Mechanical, Packaging, and Orderable Information

1 Features

  • Four-channel linear redriver supporting PCIe® 4.0
    • Backward compatible to PCIe 3.0, 2.0, 1.0
  • Protocol agnostic linear equalizer supporting most AC coupled interfaces up to 20Gbps
  • Integrated two 2x2 Crosspoint mux function
  • 12dB PCIe 4.0 reach extension over PVT with 16dB CTLE boost
  • Ultra-low latency of 100ps
  • Excellent performance at 16Gbps (8GHz Nyquist)
    • -15 / -20dB Rx / Tx return loss
    • 1200mV AC linearity
  • High BW resulting excellent linear EQ curves
  • Single 3.3V supply with 160mW/chan active power
  • Immunity to supply noise with internal voltage regulator
  • Automatic receiver detection for PCIe use cases
  • Linear redriver allows seamless support for PCIe link training
  • Support for x4, x8, x16 bus width in pin mode, and x1, x2, x4, x8, x16 in I2C mode
  • Pin-strap, SMBus or EEPROM programming
    • 18 EQ boost 5 flat gain settings
  • –40 to 105°C (grade 2) ambient temperature support without heatsink
  • 5mm x 7mm automotive friendly package with 0.5 mm pitch and wettable flank