Physical layer (PHY) controller Vitesse Semiconductor

Since the introduction of the first SONET SerDes ICs over 15 years ago, Vitesse has been a leading supplier of optoelectronics and Physical Layer (PHY) devices for OEMs around the globe.


Vitesse offers a comprehensive family of transport products ideally suited to a wide range of communications applications. Vitesse delivers high-integration and low-power solutions for protocols including Fibre Channel (FC), Gigabit Ethernet (GbE), and SONET/SDH at data rates up to 40 Gbps, with an emphasis on the development of products to lower the cost of bandwidth for applications from 1 Gbps to 12.5 Gbps.

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