bcm5676 Broadcom Corp., bcm5676 Datasheet

bcm5676

Manufacturer Part Number

bcm5676

Description

Bcm5676 4-port, 96-gbps Switch Fabric - Broadcom Corporation.

Manufacturer

Broadcom Corp.

Datasheet

1.BCM5676.pdf (2 pages)

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•

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

fabric ports

Nonblocking, 96-Gbps wirespeed, backplane/switch fabric

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 I

Broadcom switch API compatibility

Advanced 0.13-µm CMOS technology

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

Low power consumption

performance

C interface

BCM5676 4-PORT, 96-GBPS SWITCH FABRIC

F E A T U R E S

Non-blocking 4-port HiGig+ Switch Fabric

FORWARDING TABLES

QUEUE SYSTEM

HiGig+

CMIC

RAM

10G/

12G

10G/

12G

10G

•

BCM5676

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

S U M M A R Y O F B E N E F I T S

T A R G E T A P P L I C A T I O N S

Interface

of 3.125/3.75

HiGig+

4 channels

Processor

(XAUI I/F)

Protocol

HiGig+

Gbps

Related parts for bcm5676

bcm5676 Summary of contents

Page 1

... BCM5676 4-PORT, 96-GBPS SWITCH FABRIC • 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 • ...

Page 2

... Flexible Management The BCM5676 HiGig+ switch links to a host CPU through a PCI bus at speeds MHz. Bus mastering and advanced DMA are supported in hardware for the efficient exchange of packet data between CPU memory and the BCM5676 switch ...

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