The GST5009MLF is a SOP-24 RoHS manufactured Ethernet IC by Bothhand. It features a high performance with low power consumption and is compliant with IEEE 802.3 10BASE-T, 802.3u 100BASE-TX, Fast Ethernet (100BASE-TX) standards. The IC incorporates a low power 5V Ethernet PHY transceiver with a built in RMII interface. It offers a number of features such as Auto Negotiation data rate, Complete isolation between Transmitter and Receiver (ISOLATION), adjustable link pulse, wake up capability, low power operation and adjustable RMII clock. This Ethernet IC also supports Automatic Polarity Correction and Automatic MDI/MDI-X detection.