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Product Detailed Parameters
- Description：7-PORT GE SWITCH W/ INTEGRATED
- Series：*
- Mfr：Broadcom Limited
- Package：Tray
- Protocol：-
- Function：-
- Interface：-
- Standards：-
- Voltage - Supply：-
- Current - Supply：-
- Operating Temperature：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The BCM53115SKFBG is a highly integrated, non-blocking 5-port 10/100/1000 switch silicon manufactured using a 65-nanometer process. It integrates five Gigabit Ethernet PHYs and two fully integrated GMII/RGMII/MII Inband Management Ports (IMP) for glueless connection to a CPU or WLAN. The device supports IEEE 802.1Q-based VLAN with 4K entries, port-based VLAN, and MAC-based VLAN. It features four selectable QoS per port utilizing SP and WRR scheduling, supporting Port, MAC, IEEE 802.1P, and IPv4/IPv6 DSCP classification. Performance specifications include 9 KB jumbo frame support, wirespeed performance, 4K MAC address learning, 64 multicast group support, and a 128 KB packet buffer.
Feature Summary
- Patented LoopDTech technology provides loop detection without running Spanning Tree Protocol.
- CableChecker enables advanced cable diagnostics based on the Broadcom Convergence Algorithm.
- Supports VLAN double tagging (Q-in-Q) for carrier class device applications.
- Includes DoS prevention hardware and TCAM-based ACLs for network security.
Applications
- Consumer electronic devices
- Home networking equipment
- WLAN routers
- Smart switches
Procurement Notes
Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for specific environmental certifications required by your target market regulations. Ensure proper handling procedures are followed due to moisture sensitivity level requirements during storage and assembly processes.
Selection Notes
Select this model when designing cost-optimized consumer systems requiring scalable interfaces. It is suitable for unmanaged and Smart switch segments where high-performance line-rate capabilities are needed. Consider the package size and thermal characteristics if deploying in industrial temperature ranges, as industrial variants may differ from commercial options.
Part Context
This component belongs to the BCM53115 family of smart switches designed for mass deployment of Gigabit Ethernet in the consumer market. It represents an industry-first 65 nm 5-port GbE switch solution that drives GbE into CPE/Gateway and home networking markets. The architecture allows data packet inspection offloading from the CPU to free up bandwidth.
Replacement Considerations
Public confirmed substitute part numbers: BCM53115MKFBG, BCM53115UKFBG.
FAQ
Does the BCM53115SKFBG support Spanning Tree Protocol?
Yes, it supports Rapid Spanning Tree and Multiple Spanning Trees (up to 16), though LoopDTech can be used for loop detection without STP.
What is the maximum jumbo frame size supported?
The device supports 9 KB jumbo frames.
How many VLAN entries does the switch support?
It supports 4K entries for IEEE 802.1Q-based VLAN configurations.
