ST232AB/AC is a very high-speed, ultra-low power consumption 5V powered RS-232 drivers and receivers. Its features include a supply voltage range of 4.5 to 5.5V, no-load supply current of 1.5mA, transmitter output voltage swing of ±9V, transition slew rate of 12V/μs, receiver propagation delay of 0.1μs, receiver input voltage range of ±30V, and data rate of 400kbps/s.