10/100/1000BASE-T Ethernet Controller with Integrated Security and TruManage™ Technology

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A fully integrated 10/100/1000BASE-T Gigabit Ethernet (GbE) media access control and physical layer transceiver solution for high-performance network applications.
The BCM5761 combines a triple-speed, IEEE 802.3™-compliant media access controller (MAC), PCI Express bus interface, on-chip buffer memory and integrated physical layer transceiver in a single device. The BCM5761 is fabricated in a low-voltage silicon process, providing an ultralow power solution. By itself, the BCM5761 provides a complete single-chip GbE Network Interface Card (NIC) or LAN-on-Motherboard (LOM) solution.


  • Integrated 10/100/1000BASE-T transceiver with triple-speed MAC, state-of-the-art physical layer interface that exceeds IEEE requirements, and on-chip voltage regulation
  •  PCI Express® host interface with x1 PCIe™ v1.1, Active State Power Management (ASPM) capability and Message Signal Interrupt (MSI)
  •  Single-chip device for LAN-on-Motherboard (LOM) and Network Interface Card (NIC) applications
  •  Proven technology built on 10 generations of controller products


  • Personal Computers
  • Notebook Computers
  • Network Interface Cards (NICs)
  • Routers
  • Servers
  • Hubs/Repeaters
  • Storage Area Networks


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