PEX 8505

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

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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

Not Recommended for New Design

Replacement Part

PEX 8605

4-lane, 4-Port PCI Express Gen 2 (5.0 GT/s) Switch, 10 x 10mm QFN

Specification Value
Lifecycle Not Recommended for New Design
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
Application Note2 i
Compliance Docs and Certifications4 i
Data Book1 i
Design Guide1 i
Design Notes3 i
Errata1 i
Miscellaneous6 i
Quality & Reliability4 i
Rapid Development Kit2 i
Reliability Data Sheet1 i
Selection Guide1 i
Test Report2 i

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Software Development Kit (SDK)8 i