PEX 8505

5 Lane, 5 Port PCI Express Switch, 15 x 15mm PBGA

Currently Viewing:

The ExpressLane™ PEX 8505 5-lane, 5-port switch product offers PCI Express switching capability conforming to the PCI Express Specification r1.1. This device with an equal number of lanes and ports can be used in a wide variety of applications including control planes in the communications and networking markets, embedded systems, notebook and docking stations, set-top boxes, digital video recorders and multi-function printers. The PEX 8505 architecture supports packet cut-thru with the industry's lowest latency of 138ns (x2 to x1). This, combined with large packet memory (1024 byte maximum payload size) and non-blocking internal switch architecture, provide full line-rate on all ports. This switch is hardware configurable and software programmable, allowing users to tailor their port configurations and quality-of-service system needs to suit their application requirements. The PEX 8505 is offered in the industry's smallest package of 15 x 15mm 196-ball PBGA. The device is available in leaded and lead-free packaging.

Lifecycle Status


Lifecycle Status


Specification Value
Lifecycle Active
DMA --
Lanes 5
Latency 138ns
Packaging Size 15mm X 15mm
PCI-SIG® Base Spec. r1.1/1.0a
Port Count 5
Power Typ. 0.8
Read Pacing No
Virtual Channels 1

If you're looking for secured documentation for PLX products, you must register first . If you're already registered, please sign in now to get access to your approved documents .


Compliance Docs and Certifications (4) i
Data Book (1) i
Design Guide (1) i
Design Notes (3) i
Errata (1) i
Miscellaneous (6) i
Product Brief (1) i
Product Change Notice (PCN) (1) i
Quality & Reliability (1) i
Rapid Development Kit (2) i
Selection Guide (1) i
Test Report (2) i


If you are looking for older or archived product downloads, please use the documents and downloads search tool.

Software Development Kit (SDK) (5) i