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Product details

Parameters

Product type Passive switch Protocols PCI and PCIe 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 open-in-new Find other PCIe, SAS & SATA ICs

Package | Pins | Size

WQFN (RUA) 42 32 mm² 9 x 3.5 open-in-new Find other PCIe, SAS & SATA ICs

Features

  • Compatible With Multiple Interface Standards Operating up to 12 Gbps Including PCI Express Gen III and USB 3.0
  • Wide –3dB 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
  • Bidirectional "MUX/De-MUX" Type Differential Switch
  • VDD Operating Range 3.3 V ±10%
  • Small 3.5-mm × 9.0-mm, 42-Pin WQFN Package
  • Common Industry Standard Pinout
  • Supports XAUI and SGMII

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Description

The HD3SS3412 device 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 HD3SS3412 also supports applications that allow connections between one target and two source devices, such as a shared peripheral between two platforms. The HD3SS3412 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 HD3SS3412 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 -40°C to 85ºC.

The HD3SS3412 is a generic 4-CH high-speed MUX/de-MUX 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 HD3SS3412 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 device’s one select input (SEL) pin 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
* Datasheet HD3SS3412 4-Channel High-Performance Differential Switch datasheet (Rev. F) Jul. 18, 2018

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WQFN (RUA) 42 View options

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