The MAX3430ESA+T is a Maxim Integrated RS-485 Interface IC Fail-Safe 14-Unit 3.3V Transceiver manufactured by Analog Devices. It integrates RS-485 transceiver control and protection circuitry to support Half-Duplex Ethernet applications. It features an integrated charge-pump circuit, allowing for higher system reliability during data transmission. It is designed to withstand adverse electrical environment conditions such as electrostatic discharges, load dump transients, and surge protection. The device is also capable of simultaneously driving up to 14 loads, and supports 3.3V supply voltage. It supports data rates of up to 10 Mbps and has integrated data protection and ESD protection. The device also features integrated fail-safe detection and recovery, as well as full duplex data service.