HD3SS3412 Texas instruments

HD3SS3412

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HD3SS3412

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Описание

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.

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

Protocols	PCIe1, PCIe2, PCIe3
Configuration	2:1
Number of channels	4
Bandwidth (MHz)	8000
Supply voltage (max) (V)	3.6
Supply voltage (min) (V)	3
Ron (typ) (mΩ)	5000
Input/ouput voltage (min) (V)	0
Input/ouput voltage (max) (V)	2
ESD HBM (typ) (kV)	4
Operating temperature range (°C)	0 to 70
Ron (max) (mΩ)	8000