PEX 8636

36 Lane, 24 Port PCI Express Switch, 35 x 35mm FCBGA

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The ExpressLane™ PEX 8636 offers 36 PCI Express Gen 2 (5.0 GT/s) lanes, capable of configuring up to 24 flexible ports and fully conforms to the PCI Express Base Specification, rev 2.0. With 24-ports, the PEX 8636 is the largest PCIe switch in the industry serving the communications and networking markets. The PEX 8636 architecture implements Multicast as defined in the PCI Express Specification. With support for 64 multicast groups and 24 ports, the PEX 8636 provides the user with flexibility in the programmability of multicast, a required feature in the primary markets served by the PEX 8636. Any available port in the PEX 8636 can be the source of a multicast transaction based. PEX 8636 also supports cut-thru with the industry's lowest latency of 200ns (x1 to x1) and offers state of the art test and debug features which provide visibility into the various internal blocks including the SerDes. The device also features an on-chip Non-Transparent port for dual-host and failover applications as well as Virtual Switch Mode function for endpoint migration. The PEX 8636 is offered in a 35 x 35mm 1156-ball FCBGA and 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 36
Latency 200ns
Multi- Root/ Multi- Host 8
Packaging Size 35mm X 35mm
PCI-SIG® Base Spec. r2.0
Port Count 24
Power Typ. 8.1
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