Product Overview
   The VSC8658 device is a low-power, octal Gigabit Ethernet transceiver with dual, fully integrated 1.25 Gbps SerDes interfaces. It is designed for use in applications, such as multiport switches and routers, where its compact ball grid array (BGA) packaging, low electromagnetic interference (EMI) line driver, and integrated line side termination resistors conserve both power and PC board space. Using the VSC8658 device in your design makes it possible to lower the component count of your PC board, subassembly, or device without sacrificing chip-centric capabilities or utility. This feature can make it less expensive to produce and more cost-effective to deploy.

   Microsemi’s mixed signal and digital signal processing (DSP) architecture—a key operational feature of the VSC8658 device—assures robust performance even under less-than-favorable environmental conditions. It supports both half-duplex and full-duplex 10BASE-T, 100BASE-TX, and 1000BASE-T communication speeds over Category 5 (Cat5) unshielded twisted pair (UTP) cable at distances greater than 140 m, displaying excellent tolerance to NEXT, FEXT, echo, and other types of ambient environment and system electronic noise. This device also supports 100BASE-FX and 1000BASE-X to connect to fiber modules, such as GBICs and SFPs.