Single-Chip L2/L2+ 8-24 port 1GE (SerDes) + 4x10GE switch with integrated CPU

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System on-a-Chip (SoC) switch family offers industry-leading integration and performance in a small footprint.
The family consists of three devices offering eight to 24 multilayer Gigabit Ethernet serializer/deserializer (SerDes) ports, ideal for embedded applications, control plane switching and driving backplanes. The switch chip also includes up to four ports of 10GbE. Offering the industry's highest level of integration, the BCM5342X family of switches has embedded SerDes supporting KX, KR, XFI, SGMII and QSGMII modes, as well as an integrated R5 processor. The BCM5342X is ideal for cost-sensitive connectivity applications such as embedded designs for control/data plane applications. 
The BCM5342X device family offers multiple I/O configurations and speeds (1G/10G) that address key segments of connectivity with the industry's lowest power consumption in a small package. The BCM5342X family of switches is designed to reduce overall system costs. 
The optimized I/O map reduces system design effort and enables low-cost printed circuit board design. The BCM5342X device family offers many advanced features, such as IEEE 802.1Q VLAN, VLAN translation, enhanced Denial of Service (DoS) protection, an advanced ContentAware™ Engine and IEEE 802.1p Quality of Service (QoS).


  • Highly integrated eight- to 24-port GE switch SoC with integrated 1G and 10G serializer/deserializer (SerDes)
  • Diverse selection of natively supported interfaces (KX, KR, XFI, XAUI, SGMII, QSGMII).
  • Timestamping support with IEEE1588 transparent clock (TC) and Synchronized Ethernet (SyncE), as well as OAM (IEEE 802.1ag)
  • Nonblocking architecture line rate for all packet sizes L2
  • Enhanced DoS attack statistics gathering
  • EEE support
  • Integrated R5 processor
  • Enables multiple SerDes configurations of 1G and 10G


  • Carrier and Service Provider Servers (switching)
  • Data Center Servers (switching)

Lifecycle Status


Specification Value
Lifecycle Active
Distrib. Inventory No
SerDes / GPHY 24 x 10G
I/O Bandwidth (Gbps) 240
Bandwidth UOM Gbps
PHY Type 10GE
I/O BANDWIDTH (Gbps) 240 Gbps


28nm Octal 25G/28G Unidirectional Repeater


28nm Octal 25G/28G Bidirectional Repeater


40G Ethernet Gearbox With 100G Bypass