The MICROCHIP TECH. KSZ8081RNACA is a single-channel Physical Layer Transceiver (PHY) that enables high-speed Ethernet communication at speeds of 10Mbps or 100Mbps. It operates at a voltage of 3.3V and features a compact 24-pin QFN EP packaging. This transceiver is designed to provide reliable and efficient Ethernet connectivity in various networking applications. It is available in tray packaging for easy handling and storage.