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PCIe switch lowers per-port, per-lane costs

Posted: 09 Jun 2006 ?? ?Print Version ?Bookmark and Share

Keywords:PEX 8517? PLX Technology? bridging? networking? storage?

The PEX 8517 is PLX Technology's latest bridging device designed to provide designers in the networking, storage and graphics sectors with a migration path from conventional PCI and PCI-X to PCI Express (PCIe) technology.

The PEX 8517 features five ports, 16 lanes and its new packet-cut-through switching architecture in port-aggregation and peer-to-peer applications. The switch brings lower latency (150ns), improved throughput, reduced per-port and per-lane costs, and lower power (<3W) to a broad range of designs.

The architecture also features quality of service through two virtual channels (VCs); dual-host support through a flexible non-transparent port; field upgradeability through a standard Hot Plug controller; and source-to-destination data integrity through end-to-end-cyclic-redundancy (ECRC). In addition to the basic error reporting, the PEX 8517 supports advanced error reporting, thus easing system development, debug and optimization.

The PEX 8517, is supported by the PLX Rapid Development Kit (RDK) line of tools. The PEX 8517RDK kit includes a working hardware platform incorporating the PEX 8517 switch, along with a set of board schematics, symbols, and layout files for hardware design.

The PEX 8517 comes in a 27-by-27mm PBGA package and is now sampling, with production expected in the third quarter of this year. Available in both standard and lead-free packages, the device is priced at under $30 in volume quantities. The PEX 8517RDK is available now and is priced at $900.

- Ismini Scouras

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