PEX 8748

48-Lane, 12-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 8748 is a 48-lane, 12-port, PCIe Gen 3 switch device developed on 40nm technology. PEX 8748 offers Multi-Host PCI Express switching capability that enables users to connect multiple hosts to their respective endpoints via scalable, high-bandwidth, non-blocking interconnection to a wide variety of applications including servers, storage, communications, and graphics platforms. The PEX 8748 is well suited for fan-out, aggregation, and peer-to-peer traffic patterns. 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
DMA --
Dual/ Multi Cast MC
Lanes 48
Latency 150ns
Multi- Root/ Multi- Host 6
Non-Transparency 1
Packaging Size 27mm X 27mm
PCI-SIG® Base Spec. r3.0
Port Count 12
Power Typ. 7.3
Read Pacing Yes
SSC (Spread Spectrum Clocking ) 12
Temperature 0°C +70°C
Virtual Channels 1

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Design Guide1 i
Errata1 i
Reliability Data Sheet1 i
Selection Guide1 i
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Software Development Kit (SDK)7 i
Selection Guide1 i
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Reliability Data Sheet1 i
Design Guide1 i
Errata1 i