LTC2801/LTC2802/ LTC2803/LTC2804 1.8V to 5.5V RS-2.
Linear Technology
LTC2804 - Single and Dual Transceivers
LTC2801/LTC2802/ LTC2803/LTC2804 1.8V to 5.5V RS-232 Single and Dual Transceivers Features n 1.8V to 5.5V Supply Voltage n Single and Dual Transceive.