DATA SHEET
MOS INTEGRATED CIRCUIT
µPD4723
RS-232 LINE DRIVER/RECEIVER AT 3.
3 V/5 V
The µPD4723 is a high-breakdown
voltage silicon gate
CMOS line driver/receiver based on the EIA/TIA-232-E standard.
The internal DC/DC converter can switch between multiple
voltages, allowing it to operate with a single +3.
3 V or +5 V power supply.
It also provides standby function.
This IC incorporates 3 driver circuits and 3 receiver circuits.
An RS-232 interface circuit can be easily configured by connecting 5
capacitors externally.
Features
• Conforms to EIA/TIA-232-E (former name, RS-232C) standards • Selectable +3.
3 V/+5 V single power supply (selected by VCHA pin) • By setting the standby pin to a l...