MAX232
Sign in to savethumb|MAX232 chip in Dual in-line package|DIP-16 package thumb|upright|The die of a MAX232 thumb|MAX232 pinout: Red: power, Yellow: charge pump capacitors,Blue: outputs, Green: inputs,Pins 9–12: TTL/CMOS I/O voltages
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thumb|MAX232 chip in Dual in-line package|DIP-16 package thumb|upright|The die of a MAX232 thumb|MAX232 pinout: Red: power, Yellow: charge pump capacitors,Blue: outputs, Green: inputs,Pins 9–12: TTL/CMOS I/O voltages
The MAX232 is an integrated circuit by Maxim Integrated Products, now a subsidiary of Analog Devices, that converts signals from a TIA-232 (RS-232) serial port to signals suitable for use in TTL-compatible digital logic circuits. The MAX232 is a dual transmitter / dual receiver that typically is used to convert the RX, TX, CTS, RTS signals.