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Product details

Parameters

Type Redriver Number of channels (#) 2 Input compatibility AC-coupling, CML Speed (Max) (Gbps) 10.3 Protocols 10G-SR/LR, 10G-CR, 10G-KR, SAS1, SAS2, SATA1, SATA2, SATA3, Infiniband, Fibre Channel, CPRI, OBSAI, Interlaken, sRIO, General purpose Operating temperature range (C) -40 to 85 open-in-new Find other Ethernet retimers, redrivers & mux-buffers

Package | Pins | Size

WQFN (RTW) 24 16 mm² 4 x 4 open-in-new Find other Ethernet retimers, redrivers & mux-buffers

Features

  • Two Channel Repeaters for up to 10.3 Gbps
    • DS100BR210 : 2x Unidirectional Channels
    • DS100BR111 : 1x Bidirectional Lane
  • 10G-KR Bi-directional Interface Compatibility
    • Allows for Back-channel Communication and
      Training
  • Low 65 mW/channel (Typical) Power Consumption,
    with Option to Power Down Unused Channels
  • Advanced Signal Conditioning Features
    • Receive Equalization up to +36 dB
    • Transmit De-emphasis up to –12 dB
    • Transmit VOD Control: 700 to 1300 mVp-p
    • Low Residual DJ at 10.3 Gbps
  • Programmable Via Pin Selection, EEPROM,
    or SMBus Interface
  • Single Supply Voltage: 2.5 V or 3.3 V
  • Flow-thru Pinout in 4 mm × 4 mm 24-pin
    Leadless WQFN Package
  • 5 kV HBM ESD Rating
  • –40 to 85°C Operating Temperature Range
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Description

The DS100BR210 is an extremely low power, high performance repeater designed to support serial links with data rates up to 10.3 Gbps. The DS100BR210 pinout is configured as two unidirectional channels. The DS100BR210 inputs feature a powerful 4-stage continuous time linear equalizer (CTLE) to provide a boost of up to +36 dB at 5 GHz and open an input eye that is completely closed due to inter-symbol interference (ISI) induced by the interconnect mediums such as board traces or twin-axial copper cables. The transmitter features a programmable output de-emphasis driver with up to –12 dB and can drive output voltage levels from 700 mVp-p to 1300 mVp-p.

When configured as a 10G-KR repeater, the DS100BR210 allows the KR host and the end point to optimize the full link by adjusting transmit and receive equalizer coefficients using back-channel communication techniques specified by the 802.3ap Ethernet standard.

The programmable settings can be applied via pin control, SMBus protocol, or an external EEPROM. In the EEPROM mode, the configuration information is automatically loaded on power up, thereby eliminating the need for an external microprocessor or software driver.

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Technical documentation

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Type Title Date
* Data sheet DS100BR210 Ultra Low Power 10.3 Gbps 2-Channel Repeater with Input Equalization and Output De-Emphasis datasheet (Rev. E) Jan. 29, 2015
Application note Extend reach with Ethernet Redrivers and Retimers for 10G-12.5G Applications May 15, 2020
User guide DS100BR210EVK User's Guide SMA Evaluation Kit (Rev. A) Sep. 20, 2016
Application note Understanding EEPROM Programming for High Speed Repeaters and Mux Buffers Oct. 09, 2014

Design & development

For additional terms or required resources, click any title below to view the detail page where available.

Hardware development

EVALUATION BOARD Download
document-generic User guide
399
Description

The DS100BR210EVK – SMA evaluation kit provides a complete high bandwidth platform to evaluate the signal integrity and signal conditioning features of the National Semiconductor signal conditioning products – with Equalization and De-emphasis.

SMA edge launch connectors are used as the input and the (...)

Features
  • Two channel repeater up to 10.3 Gbps rate
    • DS100BR210: 2x unidirectional channels
  • Low 65mW/channel power consumption, with option to power down unused channels
  • Advanced signal conditioning features
    • 4 stage equalization
    • Transmit de-emphasis
    • Transmit VOD control
    • < 0.3 UI of residual DJ at 10 Gbps
  • Fully (...)

Design tools & simulation

SIMULATION MODEL Download
SNLM143.PDF (25 KB) - IBIS Model
SIMULATION TOOL Download
PSpice® for TI design and simulation tool
PSPICE-FOR-TI — PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
Features
  • Leverages Cadence PSpice Technology
  • Preinstalled library with a suite of digital models to enable worst-case timing analysis
  • Dynamic updates ensure you have access to most current device models
  • Optimized for simulation speed without loss of accuracy
  • Supports simultaneous analysis of multiple products
  • (...)
SIMULATION TOOL Download
SPICE-based analog simulation program
TINA-TI TINA-TI provides all the conventional DC, transient and frequency domain analysis of SPICE and much more. TINA has extensive post-processing capability that allows you to format results the way you want them. Virtual instruments allow you to select input waveforms and probe circuit nodes voltages (...)
document-generic User guide

CAD/CAE symbols

Package Pins Download
WQFN (RTW) 24 View options

Ordering & quality

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