® SP3220 +3.0V to +5.5V RS-232 Driver/Receiver .
SP3220 - +3.0V to +5.5V RS-232 Driver/Receiver Pair
SP3220B - High Speed +3.0V to +5.5V RS-232 Driver/Receiver Pair
SP3220E - +3.0V to +5.5V RS-232 Driver/Receiver Pair
SP3220EB - +3.0V to +5.5V RS-232 Driver/Receiver Pair
SP3220EU - +3.0V to +5.5V RS-232 Driver/Receiver Pair
SP3220U - High Speed +3.0V to +5.5V RS-232 Driver/Receiver Pair