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Broadcom touts first 28nm PHY

Posted: 25 Mar 2015 ?? ?Print Version ?Bookmark and Share

Keywords:Electronic dispersion compensation? electronic dispersion compensation? long reach multi-mode?

Broadcom introduced the BCM82780, a 28nm electronic dispersion compensation (EDC) electronic dispersion compensation (PHY) with long reach multi-mode (LRM) support. The BCM82780 boasts power efficiency and a performance boost.

Demand for increased bandwidth for processing and transmission of data is driving the need for higher performance and port density with lower power per port. Broadcom's new PHY offers a 30 per cent reduction in power consumption together with an enhanced feature set and a flexible footprint-compatible migration path for enterprise and service provider networks.

The BCM82780, based on EDC technology, enables 10/40GbE data transmission with LRM support. It also handles short range (SR), long range (LR) and extended range (ER and ZR) optical interfaces for supporting a broad range of high-bandwidth applications. The multi-rate PHY is ideal for single mode fibre (SMF), multi-mode fibre (MMF) or copper twin-axial applications on the front panel. It features an all-DSP high-speed front end, which provides flexibility for line-card designers across 40GbE, 10GbE or 1GbE systems.

Key Features:

  • Octal 10GbE SFI-to-XFI/Dual 40GbE XLPPI-to-XLAUI EDC PHY
  • Low power: 400mW per full-duplex port
  • Supports 10GbE SR/LR/LRM/ER/ZR/DWDM/CR and 40GbE SR4/LR4/CR4
  • IEEE 1588 timestamping, Y.1731 with Sync-E recovered clock outputs
  • Integrated 2:1 failover switch in both transmit and receive directions
  • Advanced diagnostics on high-speed I/O including Eye-Mapping, SNR and BER
  • Fully compliant to KR and KR4 standards
  • Broadcom is currently sampling the BCM82780.





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