PEX 8649

48-Lane, 12-Port PCI Express Gen 2 (5.0 GT/s) Switch, 27 x 27mm FCBGA

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The ExpressLane™ PEX 8649 device offers 48 PCI Express Gen 2 (5.0 GT/s) lanes, capable of configuring up to 12 flexible ports. The switch conforms to the PCI Express Base Specification, rev 2.0. The 48-lane switch enables users to add scalable, high bandwidth, non-blocking interconnection to a wide variety of applications including servers, communications, storage, blade servers, and embedded systems. The PEX 8649 supports the PCI-SIG defined Multicast protocol for PCI Express. The PEX 8649 also features Multi-root architecture with up to four upstream ports as well as an on-chip Non-Transparent port for dual-host and failover applications, as well as three on-chip Hot-Plug controllers, allowing users to implement single-chip solutions. The device is hardware configurable and software programmable, allowing users to tailor their port configurations and QoS operating characteristics to suit their application requirements. The PEX 8649 is offered in a 27 x 27mm 676-ball FCBGA. This device is available in lead-free packaging. This device supports Access Control Services (ACS).

Lifecycle Status


Lifecycle Status


Specification Value
Lifecycle Active
DMA --
Dual/ Multi Cast MC
Lanes 48
Latency 176ns
Multi- Root/ Multi- Host 4
Non-Transparency 1
Packaging Size 27mm X 27mm
PCI-SIG® Base Spec. r2.0
Port Count 12
Power Typ. 6.7
Read Pacing Yes
Temperature -5°C +85°C
Virtual Channels 1

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Design Guide (1) i
Product Brief (1) i
Quality & Reliability (1) i
Selection Guide (1) i
White Papers (1) i


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Software Development Kit (SDK) (5) i