The MAX3232CWE+ is a low-power true RS-232 Transceiver for high-speed modems. The MAX3232 transceiver have a proprietary low-dropout transmitter output stage enabling true RS-232 performance from a 3.0 to 5.5V supply with a dual charge pump. The devices require only four small 0.1μF external charge pump capacitors. The MAX3232 is guaranteed to run at data rates of 120kbps while maintaining RS-232 output levels. The MAX3232 have 2 receivers and 2 drivers.