RS-232 LINE DRIVER/RECEIVER AT 3.3 V/5 V

The UPD4724 is a high breakdown voltage silicon Gate CMOS Line Driver receiver based on the EIA/TIA-232-E standard. This IC features various functions, such as standby, and incorporates a DC/DC converter that switches boost multiples, enabling operation at both +3.3 V and +5 V single supply voltage. The UPD4724 incorporates three drivers and five receivers, so an RS-232 Interface circuit CAN be easily constructed by connecting five external capacitors. By NEC Electronics Inc.