The MAX211CAI is an RS-232 transceiver from Analog Devices / Maxim Integrated, operating on a single +5V supply. It offers 4 drivers and 5 receivers with a data rate of 120Kbps.
The Texas Instruments TRS211CDBR is a 5V multichannel RS-232 line driver/receiver. It features ±15kV ESD protection and operates at data rates up to 120Kbps.
The MAX213CAI from Analog Devices / Maxim Integrated is a full duplex RS-232 transceiver. It operates from a single +5V supply and supports data rates up to 120Kbps.
