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The MAX3232CSE+ is a low-power RS-232 transceiver manufactured by Analog Devices (Maxim Integrated). It operates from a single +3.0V to +5.5V supply and includes an internal dual charge pump requiring only four 0.1µF external capacitors. The device features two drivers and two receivers, supporting full-duplex communication with guaranteed data rates up to 120kbps and typical operation up to 235kbps. It provides ±5.4V transmitter output swings and meets EIA/TIA-232-F standards. Packaged in a 16-pin Narrow SOIC (SO-Narrow-16), it functions within a commercial temperature range of 0°C to +70°C.
Verify the specific suffix 'CSE+' against the official datasheet to confirm the package type, temperature rating, and lead-free status. Ensure the ordering code matches the required 16-pin Narrow SOIC format. Confirm availability through authorized distributors as stock levels fluctuate.
Select this component when interfacing CMOS logic to RS-232 ports using a single voltage source. It serves as a direct replacement for the legacy MAX232 in designs requiring lower power consumption or simplified board layouts without dual-rail power supplies.
This part belongs to the MAX3222/MAX3232/MAX3237/MAX3241 family of true RS-232 transceivers. While sharing core architecture, other members like the MAX3237 offer higher speeds via MegaBaud mode, and the MAX3241 supports mouse driveability with additional drivers.
Public confirmed substitutes include MAX3232ESE+ and MAX3232CWE+. Verify that alternative packages maintain the same pinout compatibility if physical constraints require a different footprint.