The VSC8584XKS-14 is a multi-rate, multi-protocol SerDes transceiver IC manufactured by Microchip. It can be used in a variety of applications such as data center, enterprise networking, and service provider equipment, as well as in industrial and automotive applications. The device supports data rates from 1 Gbps to 14.025 Gbps and can be used for both copper and optical interfaces. It also features low power consumption, error correction and advanced diagnostics capabilities.