Diodes incorporated announces pcie packet switches with advanced features
Diodes incorporated announced that the pi7c9x2g304evq and pi7c9x2g404evq pcie 2.0 packet switches, offering 3-ports/4-lanes and 4-ports/4-lanes, respectively. the packet switches are automotive-compliant for use in telematics/adas, navigation systems, in-vehicle wireless routers, and emerging applications such as v2v and v2x communications. the parts are designed to provide a simple solution to increase the fan-out of pcie ports on socs, assps, mpus, and fpgas, supporting advanced features in the automotive industry. the devices are qualified to aec-q100 grade 2, offer an operating temperature range of -40°c to +105°c, are ppap capable, and are manufactured in iatf 16949 certified facilities. interoperability at the system level is guaranteed through compliance with the pci-sig pcie rev 2.1 standard. at the component level, pin-compatibility with existing grade 3 solutions from diodes incorporated provides an easy migration path to higher performance for existing designs. advanced features include an integrated clock buffer and support for peer-to-peer traffic, delivering greater system performance. the low-power operation is complemented by link power management, including active-state power management l0 and l1, device-state power management d0, d3hot and d3cold. power dissipation in l0 is 300mw (typical), dropping to 35mw in pci-pm l1.1 d3hot pm sub-state mode. latency for a packet running through the switch without blocking is 150ns, and latency tolerance reporting improves platform power management. while the default mode is cut-through, store and forward modes are also supported. peer-to-peer traffic is enabled through access control service support.
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