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BCM5645 Datasheet(PDF) 2 Page - Broadcom Corporation. |
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BCM5645 Datasheet(HTML) 2 Page - Broadcom Corporation. |
2 / 2 page O V ERVI EW ® 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. 5645-PB05-R 10/22/03 Broadcom®, the pulse logo, and Connecting everything® 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. The BCM5645, with a forwarding rate of 8.9 Mpps, defines the next generation of performance for 48-port Fast Ethernet switching solutions. Through its advanced ContentAware™ feature set, the StrataSwitch IITM product family supports advanced applications and services, at wire speed, with non-blocking performance. The BCM5645 uses 60 million transistors and 1 MB of internal memory to integrate the functionality of large 48-port board designs into two chips. This level of integration allows the BCM5645-based switch to sustain line rate on all 48 Fast Ethernet and 2-Gigabit Ethernet ports for Layer 2, and Layer 3 switching and all L2-L7 processing applications. The StrataSwitch IITM Fast Filter Processor (FFP) delivers line rate packet processing to support policy management, VoIP, and firewall applications. The data packet memory can be extended from 4 MB to 64 MB using commodity SDRAM in either a 128-bit-wide interface or a 64-bit-wide interface. The StrataSwitchTM family supports using the gigabit ports or TurboGigTM in a stacking link mode, giving you tremendous scalability configuring your switching system. The BCM5645 also provides a wide range of choices in levels of manageability and solution costs. For example, the BCM5645 provides a low-cost I2C interface for unmanaged applications, as well as a 33- MHz PCI interface for higher management and network service requirements. The flow metering and monitoring of the StrataSwitch IITM enables many new applications and services. ISPs can benefit from the metering capabilities of the StrataSwitch IITM, eliminating unregulated bandwidth from over-consuming their network. Using the monitoring features of the FFP, IT managers can gain tremendous insight to the utilization of their current network resources and optimize those resources accordingly. GPIC1 EPIC1 ARL TABLES L3 TABLES VLAN TABLES GMII TurboGig TM TurboGig TM EPIC3 ARL TABLES L3 TABLES VLAN TABLES SMII / S3MII GPIC2 EPIC2 ARL TABLES L3 TABLES VLAN TABLES TBI/GMII PCI I 2C CPS BUS 32-Gbps channel SMII / S3MII SMII / S3MII External Data Packet Memory (64- or 128-bit SDRAM) Internal Data Packet Memory CMIC MMU |
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