The Texas Instruments MAX232ID is a dual RS-232 transceiver designed for reliable serial communication. It operates from a single 5V supply and supports data rates up to 120Kbps.
The MAX202ESE is an RS-232 transceiver from Analog Devices / Maxim Integrated, operating on a single +5V supply. It offers 2 drivers and 2 receivers with a data rate of 120Kbps.
The MAX232EESE is an RS232 transceiver from Analog Devices, featuring 2 drivers and 2 receivers. It operates with a single +5V supply and supports data rates up to 120Kbps.