HD3SS3412A 4-channel high-performance differential switch | TI.com

HD3SS3412A (ACTIVE) 4-channel high-performance differential switch

 

Description

The HD3SS3412A 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 or server application. With its bidirectional capability, the HD3SS3412A also supports applications that allow connections between one target and two source devices, such as a shared peripheral between two platforms. The HD3SS3412A 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 HD3SS3412A 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 70ºC.

The HD3SS3412A 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 HD3SS3412A will also support several other high-speed data protocols with a differential amplitude of <1800 mVpp and a common-mode voltage of < 2.0 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.

Features

  • 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
  • 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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Parametrics

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Part number Order Device type Number of channels (#) Application IN SigCon OUT SigCon Speed (Max) (Gbps) SupplyVoltage (Volt) Protocols Operating temperature range (C) Package Group
HD3SS3412A Order now Passive switch     4     PCIe
SAS
SATA
USB 3.1    
No     No     12     3.3     PCI and PCIe     0 to 70     WQFN | 42    
HD3SS3411 Order now Passive switch     1     PCIe
LVDS
USB 3.1    
No     No     10     3.3     PCI and PCIe     -40 to 105     WQFN | 14    
HD3SS3411-Q1 Order now Passive switch     1     FPD Link
PCIe
LVDS
USB 3.1    
No     No     10     3.3     PCI and PCIe     -40 to 105     VQFN | 14
WQFN | 14    
HD3SS3412 Order now Passive switch     4     PCIe
SAS
SATA
USB 3.1    
No     No     12     3.3     PCI and PCIe     0 to 70     WQFN | 42    
HD3SS3415 Order now Passive switch     4     PCIe
SAS
SATA
USB 3.1    
No     No     12     3.3     PCI and PCIe     0 to 70     WQFN | 42