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
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Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).