Ethernet ICs (Integrated Circuits) are not a single brand but a category of semiconductor products used in networking and communication systems. These ICs are produced by various global companies, including Texas Instruments (USA), Microchip Technology (USA), Broadcom (USA), NXP Semiconductors (Netherlands), and Realtek (Taiwan). They serve industries such as industrial automation, telecommunications, automotive, and consumer electronics. Key products include Ethernet PHY transceivers, switches, and controllers, enabling high-speed data transfer and reliable network connectivity. Leading manufacturers design these ICs to comply with IEEE 802.3 standards, supporting applications from enterprise networking to IoT devices.