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/content/maximintegrated/en/products/interface/transceivers/rs-232-transceivers 
In 1985, Maxim invented the RS-232 transceiver with an integrated charge pump. Today we offer the broadest selection of RS-232 transceiver ICs in the industry. Our RS-232 solutions have supply voltages as low as 1.8V, integrated ESD protection, and other value-added features.
Maxim's ESD-protected RS-232 transceivers save board space by integrating protection diodes. Our fault-protected RS-232 transceivers can handle both input short circuits and inputs up to 70V, without adversely affecting the transceiver IC. Our single-supply RS-232 transceivers provide RS-232 communication with only one power rail.
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