Dual-Port 10GBASE-T PHY with XAUI & XFI, 25mm BGA

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Complete two-port 100/1000/10GBASE-T solution operating at 100m over Category 6a or Category 7 unshielded twisted-pair cable.
It is based on a highly advanced digital signal processor-based architecture to allow robust operation over unshielded twisted-pair (UTP) wiring. It is a highly integrated solution combining enhanced analog front ends with digital adaptive equalizers, ADCs, phase-locked loops, line drivers, LDPC encoders and decoders, echo cancellers, crosstalk cancellers and all required support circuitry. The BCM84833 is optimized to enable switch, controller and other general 10-Gigabit Ethernet (10GbE) connectivity applications. Each port in the BCM84833 contains one XFI interface and two XAUI™ interfaces. Any one of these interfaces can be connected on the MAC side or line side. One of the four lanes on each XAUI interface is reserved to support the SGMII interface, which offers lower-speed 100/1000BASE-T operation. This dual port enables customers to design high-density Top of the Rack (ToR) switches and server NIC controllers for data center applications.


  • Fully integrated two-port 10GBASE-T Ethernet transceiver
  • Supports lower speeds: 100BASE-TX, 1000BASE-T
  • Simplifies system and board design by reducing PCB space and lowering system bill of materials (BOM)
  • Provides interoperability with IEEE standard devices operating at 100 Mb/s, 1000 Mb/s and 10 Gb/s


  • Access Points
  • Enterprise WLAN

Lifecycle Status


Specification Value
Lifecycle Active
Distrib. Inventory No
SerDes / GPHY
I/O Bandwidth (Gbps)
Bandwidth UOM
PHY Type 100GE
I/O Controller
Bus Interface
Transfer Rates
External Memory Interfaces
ASIC 57301
Link-Speeds 10Gb
Ports 1
TruFlow™ Yes
TruManage™ Yes
Smart Congestion Control No
RoCEv2 No
Multi-Host No
Smart NICs No
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