PEX 8747

48-Lane, 5-Port PCI Express Gen 3 (8 GT/s) Switch, 27 x 27mm FCBGA

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*Certain versions of this device are not available for sale in Germany or shipment to or from Germany, and these versions should not be used in any product destined for the German market.

The ExpressLane™ PEX 8747 is a 48-lane, 5-port, PCIe Gen 3 switch device developed on 40nm technology. The PEX 8747 device offers Multi-Host PCI Express switching capability enabling users to connect a host to its respective endpoints via scalable, high bandwidth, non-blocking interconnection to a variety of graphics applications. The PEX 8747 is optimized to support high-resolution graphics while supporting peer-to-peer traffic and multicast for maximum performance. Included is PLX's proprietary visionPAK debug software, which allows, for example, internal receive-eye observation after equalization and access to the devices' internal debug registers thus enabling faster time to market.

Lifecycle Status


Specification Value
Lifecycle Active
Distrib. Inventory No
DMA --
Dual/ Multi Cast MC
Lanes 48
Latency 150ns
Multi- Root/ Multi- Host 4
Non-Transparency --
Packaging Size 19mm X 21mm
PCI-SIG® Base Spec. r3.0
Port Count 5
Power Typ. 7.3
Read Pacing Yes
Temperature 0°C +70°C
Virtual Channels 1

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Design Guide1 i
Errata1 i
Reliability Data Sheet1 i
Selection Guide1 i
White Papers1 i

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Software Development Kit (SDK)5 i
Selection Guide1 i
White Papers1 i
Reliability Data Sheet1 i
Design Guide1 i
Errata1 i