Product details


Type Passive mux Protocols PCIe1, PCIe2, PCIe3 Applications PCIe, LVDS, USB 3.1 Number of channels (#) 1 Speed (Max) (Gbps) 10 Supply voltage (V) 3.3 Rating Catalog Operating temperature range (C) -40 to 105 open-in-new Find other PCIe, SAS & SATA ICs

Package | Pins | Size

WQFN (RWA) 14 12 mm² 3.5 x 3.5 open-in-new Find other PCIe, SAS & SATA ICs


  • Compatible with Multiple Interface Standards
    Including FPD Link, LVDS, PCIE Gen II, III, XAUI,
    and USB3.1
  • Operates up to 10 Gbps
  • Wide –3 dB Differential BW of ∼ 7.5 GHz
  • Excellent Dynamic Characteristics (at 4 GHz)
    • Insertion Loss = –1.1 dB
    • Return Loss = –11.3 dB
    • Off Isolation = –19 dB
  • Bidirectional "Mux/De-Mux" Differential Switch
  • Supports Common Mode Voltage 0 V to 2 V
  • Single Supply Voltage VCC of 3.3 V ±10%
  • Industrial Temperature Range of –40°C to 105°C
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The HD3SS3411 is a high-speed bi-directional passive switch in multiplexer or demultiplexer configurations. Based on control pin SEL, the device provides switching of differential channels between Port B to Port A or Port C to Port A.

The HD3SS3411 is a generic analog differential passive switch that can work for any high speed interface application as long as it is biased at a common mode voltage range of 0 V to 2 V and has differential signaling with differential amplitude up to 1800 mVpp. The device employs adaptive tracking that ensures the channel remains unchanged for entire common mode voltage range.

Excellent dynamic characteristics of the device allow high speed switching with minimum attenuation to the signal eye diagram with little added jitter. It consumes < 2 mW of power when operational and has a shutdown mode exercisable by OEn pin resulting
< 2 µW.

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Technical documentation

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Type Title Date
* Data sheet HD3SS3411 One Channel Differential 2:1 Mux/Demux datasheet Nov. 10, 2015
Application note Passive Mux Selection Based On Bandwidth > Ron Sep. 11, 2019
Application note High-Speed Layout Guidelines for Signal Conditioners and USB Hubs Jun. 14, 2018
User guide HD3SS3411 EVM User's Guide Jun. 16, 2015

Design & development

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Hardware development

document-generic User guide

The HD3SS3411 is a high speed passive switch capable of switching differential channels between Port A to Ports B or C based on the state of control pin SEL.  The interface to the EVM consists of standard SMP connectors to interface the EVM to test equipment or adapter boards to use in a system (...)

  • Plug and play design
  • Can be powered from a 3.3V external supply capable using banana plug cables for 3.3V and GND
  • EVM configurable by jumpers

Design tools & simulation

SBAM339.ZIP (184 KB) - S-Parameter Model
SLAM288.ZIP (154 KB) - HSpice Model
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 (...)
  • 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
  • (...)
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 (RWA) 14 View options

Ordering & quality

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