High-Speed Serial Interface Transceiver ICs

01 April 2024

Predominantly intended for use in factory automation and robotic systems, as well as enterprise data communication infrastructure and metering equipment, the ST4E1240 RS485 transceivers from STMicroelectronics deliver 40Mbits/s data rates.

These devices support multi-point connections and conform with the PROFIBUS industrial connectivity protocol. They have ±12kV contact discharge protection (in accordance with IEC 61000-4-2 requirements), plus ±4kV fast transient protection (in accordance with IEC 61000-4-4 requirements). Hot-swap circuitry safeguards against unwanted states on the bus during device switch-on or plug-in. 250mA short-circuit prevention and thermal shutdown mechanisms are also included.


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