BCM5676 查看數據表（PDF） - Broadcom Corporation

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BCM5676

BCM5676 4-PORT, 96-GBPS SWITCH FABRIC

Broadcom Corporation 

BCM5676

®

BCM5676 4-PORT, 96-GBPS SWITCH FABRIC

FEATURES

SUMMARY OF BENEFITS

• Four 10-Gbps and 12-Gbps (HiGig+™) configurable switch

fabric ports

• Nonblocking, 96-Gbps wirespeed, backplane/switch fabric

performance

• Forwarding rate of 72 million packets/second

• Multistage switch fabric scalable up to 750 Gbits

• Eight integrated high-speed XAUI interfaces

• Eight programmable priority queues per port

• Port trunking (up to 4 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 I2C interface

• Broadcom switch API compatibility

• Advanced 0.13-µm CMOS technology

• Small 600-pin EBGA package; pin-compatible with BCM5671

• 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

TARGET APPLICATIONS

• 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

Non-blocking 4-port HiGig+ Switch Fabric

10G/ 10G

12G

HiGig+

QUEUE SYSTEM

FORWARDING TABLES

CMIC

RAM

HiGig+

10G/

12G

HiGig+

Interface

HiGig+

Protocol

Processor

4 channels

of 3.125/3.75

Gbps

(XAUI I/F)

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