The Analog Devices MAX238CWG-T is a full duplex RS232 transceiver designed for interface translation. It operates from a 4.5V to 5.5V supply and has a data rate of 120Kbps.
The MAX238CWG+T from Analog Devices is a full duplex RS232 transceiver designed for interface translation. It features 4 drivers and 4 receivers and operates from a 4.5V to 5.5V supply.
The Texas Instruments TRS207CDWR is a 5V multichannel RS-232 line driver/receiver. It offers ±15kV ESD protection and operates at data rates up to 120Kbps.