STMicroelectronics has introduced the ST4E1240 RS-485 transceiver with 40Mbit/s speed, PROFIBUS-compatible output, and transient and hot-swap protection., , , , The ST4E1240 is the first in a new family of transceivers from ST featured to deliver robust and reliable RS-485 signaling for modern, performance-hungry industrial applications. The new transceivers support data speeds far above the original RS-485 standards and allow multipoint connections over extended cable runs with more than 6...