XAUI™ to Serial 10GBASE-LRM Transceiver

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Incorporates a receive equalizer that supports Electronic Dispersion Compensation (EDC) over multimode fiber (MMF).
The Electronic Dispersion Compensation (EDC) equalizer is designed for applications over multimode fiber (MMF) covering distances up to 220m of OM1, OM2 and OM3 fiber as per the IEEE standard. The BCM8706 will be fully compliant with the IEEE802.3aq standard. In enhanced-performance mode, the BCM8706 is capable of supporting up to 300m over OM1, OM2 and OM3 fiber. An onboard microcontroller implements the control algorithm for the MMF EDC DSP Core. On-chip clock synthesis is performed by the high-frequency, low-jitter phase-locked loops for the PMD and XAUI output retimers. Individual PMD and XAUI clock recovery is performed on the device by synchronizing directly to the respective incoming data streams. An external 25 MHz or 156.25 MHz oscillator is required for the reference clock input.


  • Meets and exceeds IEEE 802.3ae and IEEE802.3aq industry standards
  • High-performance mode supports 300m of MMF fiber.
  • MDIO interface compliant to IEEE 802.3ae Clause 45 with extended indirect address register access
  • Single reference clock input, enables use of low-cost 25 MHz crystal or 156.25 MHz oscillator.


  • Add/Drop Multiplexers
  • EDGE and Terabit Routers
  • Multi-service platforms
  • Repeaters
  • SONET Test Equipment

Lifecycle Status


Specification Value
Lifecycle Active
Distrib. Inventory No
PHY Type 10GE
Product Brief28 i

BCM5719 - Quad-Port 1GBASE-T

High-Performance, Feature-Rich NetXtreme® BCM5719 Quad-Port 1GBASE-T PCIe 2.1 Ethernet Controller