The

µPD4712C and 4712D are high-voltage silicon gate CMOS line driver/reciever conforming to the

EIA/TIA-232-E standard. It can operate with a single +5 V power source because it is provided with a DC-DC converter.

In addition, this line driver/receiver has many ancillary functions, including output control, threshold select, and

standby functions. Because the

µPD4712C and 4712D are provided with four output driver circuits and four receiver

circuits, it can constitute an RS-232 interface circuit with a single chip.

FEATURES

• Conforms to EIA/TIA-232-E (RS-232C) standard

• +5 V single power source

• Threshold select pin selecting two types of threshold voltages

• Standby mode can be set by making standby pin high to reduce circuit current.

• Three-state output configuration. Both driver and receiver outputs go into high-impedance state in standby mode.

ORDERING INFORMATION

Part Number

Package

µPD4712CCY

28-pin plastic DIP (400 mil)

µPD4712DCY

28-pin plastic DIP (400 mil)

µPD4712CGT

28-pin plastic SOP (375 mil)

µPD4712DGT

28-pin plastic SOP (375 mil)

MOS INTEGRATED CIRCUIT

©

1995

DATA SHEET

Document No. S10316EJ3V1DS00 (3rd edition)

Date Published April 1997 N

Printed in Japan

RS-232 LINE DRIVER/RECEIVER