Product details

Type Passive mux Protocols PCIe1, PCIe2, PCIe3 Applications PCIe, SAS, SATA, USB 3.1 Number of channels (#) 4 Speed (Max) (Gbps) 12 Supply voltage (V) 3.3 Rating Catalog Operating temperature range (C) 0 to 70
Type Passive mux Protocols PCIe1, PCIe2, PCIe3 Applications PCIe, SAS, SATA, USB 3.1 Number of channels (#) 4 Speed (Max) (Gbps) 12 Supply voltage (V) 3.3 Rating Catalog Operating temperature range (C) 0 to 70
WQFN (RUA) 42 32 mm² 9 x 3.5
  • Compatible with Multiple Interface Standards
    Operating up to 12 Gbps Including PCI Express
    Gen III and USB 3.0
  • Wide –3-dB Differential BW of over 8 GHz
  • Excellent Dynamic Characteristics (at 4 GHz)
    • Crosstalk = –35 dB
    • Off Isolation = –19 dB
    • Insertion Loss = –1.5 dB
    • Return Loss = –11 dB
  • VDD Operating Range 3.3 V ±10%
  • Small 3.5 mm × 9 mm, 42-Pin WQFN Package
  • Common Industry Standard Pinout
  • Compatible with Multiple Interface Standards
    Operating up to 12 Gbps Including PCI Express
    Gen III and USB 3.0
  • Wide –3-dB Differential BW of over 8 GHz
  • Excellent Dynamic Characteristics (at 4 GHz)
    • Crosstalk = –35 dB
    • Off Isolation = –19 dB
    • Insertion Loss = –1.5 dB
    • Return Loss = –11 dB
  • VDD Operating Range 3.3 V ±10%
  • Small 3.5 mm × 9 mm, 42-Pin WQFN Package
  • Common Industry Standard Pinout

The HD3SS3415 is a high-speed passive switch capable of switching four differential channels, including applications such as two full PCI Express x1 lanes from one source to one of two target locations in a PC/server application. With its bidirectional capability the HD3SS3415 will also support applications that allow connections between one target and two source devices, such as a shared peripheral between two platforms. The HD3SS3415 has a single control line (SEL Pin) which can be used to control the signal path between Port A and either Port B or Port C.

The HD3SS3415 is offered in an industry standard 42-pin WQFN package available in a common footprint shared by several other vendors. The device is specified to operate from a single supply voltage of 3.3 V over the full temperature range of 0°C to 70°C

The HD3SS3415 is a generic 4-CH high-speed mux/demux type of switch that can be used for routing high-speed signals between two different locations on a circuit board. Although it was designed specifically to address PCI Express Gen III applications, the HD3SS3415 will also support several other high-speed data protocols with a differential amplitude of < 1800 mVpp and a common mode voltage of < 2 V, as with USB 3.0 and DisplayPort 1.2. The one select input (SEL) pin of the device can easily be controlled by an available GPIO pin within a system or from a microcontroller.

The HD3SS3415 is a high-speed passive switch capable of switching four differential channels, including applications such as two full PCI Express x1 lanes from one source to one of two target locations in a PC/server application. With its bidirectional capability the HD3SS3415 will also support applications that allow connections between one target and two source devices, such as a shared peripheral between two platforms. The HD3SS3415 has a single control line (SEL Pin) which can be used to control the signal path between Port A and either Port B or Port C.

The HD3SS3415 is offered in an industry standard 42-pin WQFN package available in a common footprint shared by several other vendors. The device is specified to operate from a single supply voltage of 3.3 V over the full temperature range of 0°C to 70°C

The HD3SS3415 is a generic 4-CH high-speed mux/demux type of switch that can be used for routing high-speed signals between two different locations on a circuit board. Although it was designed specifically to address PCI Express Gen III applications, the HD3SS3415 will also support several other high-speed data protocols with a differential amplitude of < 1800 mVpp and a common mode voltage of < 2 V, as with USB 3.0 and DisplayPort 1.2. The one select input (SEL) pin of the device can easily be controlled by an available GPIO pin within a system or from a microcontroller.

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Technical documentation

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Type Title Date
* Data sheet HD3SS3415 4-Channel High-Performance Differential Switch datasheet (Rev. C) PDF | HTML 02 Oct 2015
Application note High-Speed Layout Guidelines for Signal Conditioners and USB Hubs 14 Jun 2018

Design & development

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Simulation model

HD3SS3415 HSpice Windows Model

SLAM145.ZIP (210 KB) - HSpice Model
Simulation model

HD3SS3415 HSpice Linux Model

SLAM146.ZIP (210 KB) - HSpice Model
Simulation model

HD3SS3415 S-Parameter Model

SLAR108.ZIP (365 KB) - S-Parameter Model
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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 (...)
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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 (...)
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WQFN (RUA) 42 View options

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