UNISONIC TECHNOLOGIES CO., LTD UT3222 3.0V TO 5.5V.
UT3222 - 3V TO 5.5V MULTICHANNEL RS-232 LINE TRANSCEIVERS
UNISONIC TECHNOLOGIES CO., LTD UT3222 3.0V TO 5.5V LOW POWER MULTICHANNEL RS-232 LINE TRANSCEIVERS USING FOR 0.1μF EXTERNAL CAPACITORS DESCRIPTION .