PLX Technology offers a range of
5-Gbit/s PcI Express Gen 2 switch chips
for almost every embedded application.
the high-port-count, multi-root/host chips
include the 24-port, 96-lane PEX 8696.
also, the 48-, 60-, and 80-lane versions
can handle up to eight root/hosts and support
multicast and read pacing. the 35- by
35-mm package uses 11 W. Pricing starts
at $78.40 for the 48-port PEX 8649.
the four-port, 16-lane PEX 8613 and
three-port, 12-lane 8617 round out the latest
offerings. like the larger siblings, these
chips support non-transparent bridging.
they also support a pair of virtual channels
(Vc), providing improved qualityof-
service (QoS) support. and, they use
spread-spectrum clock isolation, allowing
the use of asynchronous clock sources.
Pricing starts at $15.35.
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