BCM5675 ? BCM5675 8-port, 192-gbps switch fabric nonblocking 8-port gigabit switch ? eight 10-gbps and 12-gbps (higig+?) configurable switch fabric ports nonblocking, 192-gbps wirespeed, backplane/switch fabric performance forwarding rate of 144 million packets/second multistage switch fabric scalable up to 1.5 tbits eight integrated high-speed xaui interfaces eight programmable priority queues per port port trunking (up to 8 ports) and mirroring across multiple devices hot-swap capable with ac coupling supports redundancy on linecards for chassis-based applications advanced diagnostic features including ieee 1149.1 boundary scan, jtag, and extensive bist functionality resilient link configuration through active multi-path forwarding pci and i 2 c interface broadcom switch api compatibility advanced 0.13-m cmos technology small 600-pin ebga package; pin-compatible with bcm5670 low power consumption system vendors can build high-performance, high-density gigabit ethernet lan switches in several form factors very low latency and advanced qos enable seamless integration of voice, video, and data traffic built-in high-speed xaui interfaces with broadcom-unique serdes technology eases and accelerates system design, while reducing cost and conserving board space large internal data buffer memory eliminates the need for expensive external memory drives up to 10m of low-cost copper cables backplane and stacking support broadcom switch api compatibility enables reuse of resources and fast time-to-market switch fabric in modular gigabit ethernet chassis switch fabric in high-port-count stand-alone or stackable gigabit ethernet switches switch fabric for in-server switch blade applications packet-based switch fabric in telecom applications features summary of benefits target applications forwarding tables cmic ram higig+ higig+ higig+ higig+ higig+ higig+ higig+ higig+ 10g queue system 10g/ 12g 10g/ 12g 10g/ 12g 10g/ 12g 10g/ 12g 10g/ 12g 10g/ 12g 10g/ 12g higig+ interface higig+ protocol processor 4 channels of 3.125/3.75 gbps (xaui i/f)
overview ? phone: 949-450-8700 fax: 949-450-8710 e-mail: info@broadcom.com web: www.broadcom.com broadcom corporation 16215 alton parkway, p.o. box 57013 irvine, california 92619-7013 ? 2003 by broadcom corporation. all rights reserved. 5675-pb01-r 03/29/04 broadcom ? , the pulse logo connecting everything ? , higig ?, and strataxgs ? are trademarks of broadcom corporation and/or its subsidiaries in the united states and certain other countries. all other trademarks mentioned are the property of their respective owners. general description the broadcom BCM5675 switch fabric is the central component of the modular and highly scalable strataxgs? gigabit ethernet switch architecture. strataxgs components can be applied in a wide variety of configurations, enabling system designers to strategically balance cost, port density, and performance in the products they build. scalability switches based on the BCM5675 offer world-class scalability and performance when used in conjunction with other strataxgs family components. a BCM5675-based switch fabric can scale up to as many as 1,536-ge ports or 128 10-ge ports in the same network. a multistage switch fabric using the strataxgs family can have a bandwidth capacity of up to 1.5 tbits. highly integrated the integration of broadcom?s robust xaui-compatible serializer/ deserializer (serdes) interface on each BCM5675 port reduces board complexity. the xaui interface can be used to route high-speed signals across 44 inches of fr4, connectors, and backplanes. serdes technology also enables the use of inexpensive cables for stacking applications. superior performance the BCM5675 delivers wirespeed switching performance across all of the ports simultaneously. the effective bandwidth of each higig+? interface is 24 gbps (12 gbps, full-duplex). the BCM5675 switch fabric offers a backplane capacity of up to 192 gbps and can interconnect with other strataxgs components for sw itch fabric of up to 1.5 tbits. it introduces very low switching latency, enabling the high-quality transmission of voice, video, and data traffic. flexible management the BCM5675 higig+ switch links to a host cpu through a pci bus at speeds of up to 66 mhz. bus mastering and advanced dma are supported in hardware for the efficient exchange of packet data between cpu memory and the BCM5675 switch. the BCM5675 switch can also work without host cpu support, using an i 2 c interface and external microcontroller to initialize chip registers and forwarding tables. bcm5695 bcm5673 cpu flash sdram bcm5695 bcm5695 bcm5695 bcm5464 bcm5464 bcm5464 bcm5464 BCM5675 2 x 10ge 12 x ge 12 x ge 12 x ge 12 x ge 2 x higig+ pci bcm8703 functional design of BCM5675-based 48-port ge switch with 2 x 10 ge ports and stacking
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