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Pushing the serdes envelope

Lattice's 10Gbit/s serdes transceiver.

Anticipating a move towards the XFP format in the high rate optical communications market, Lattice has announced a 10Gbit/s serdes transceiver for OC-192 and 10Gbit Ethernet applications. Along with XFP, the XPIO 110GXS also supports the 300pin Multi Source Agreement (MSA) format. Bernie Perrin, European marketing manager, said: "Our view is that the XFP format is becoming dominant in the 10Gbit optical module market."

Lattice says it is committed to having the most complete range of fpgas at 10Gbit/s and the XPIO 110GXS is its next step towards the target. Previously, its fpgas have had four channels of 3.125Gbit/s serdes. The latest part, however, offers a single 10Gbit/s channel.

The device supports 16:1 serialisation and deserialisation and has a parallel lvds data range from 622 to 670Mbit/s. The combination of 0.13um cmos technology, a 1.3V core and 2.5V I/O means the device consumes 0.8W at 10Gbit/s.

According to Perrin, 10Gbit/s communications ability will be integrated into Lattice's mainstream fgpas 'sometime next year'. "When it happens," he concluded, "it'll change the way engineers look at asics."

Graham Pitcher

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