UPD4712C Renesas Electronics Corporation., UPD4712C Datasheet

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UPD4712C

Manufacturer Part Number
UPD4712C
Description
Manufacturer
Renesas Electronics Corporation.
Datasheet

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Document No. S10316EJ3V1DS00 (3rd edition)
Date Published April 1997 N
Printed in Japan
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 PD4712C 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
The
Part Number
PD4712CCY
PD4712DCY
PD4712CGT
PD4712DGT
PD4712C and 4712D are high-voltage silicon gate CMOS line driver/reciever conforming to the
28-pin plastic SOP (375 mil)
28-pin plastic SOP (375 mil)
28-pin plastic DIP (400 mil)
28-pin plastic DIP (400 mil)
RS-232 LINE DRIVER/RECEIVER
Package
DATA SHEET
PD4712C/4712D
MOS INTEGRATED CIRCUIT
©
1995

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UPD4712C Summary of contents

Page 1

The PD4712C 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 ...

Page 2

BLOCK DIAGRAM/PIN CONFIGURATION (Top View) + Bypass D IN1 capasitor D IN2 TTL/CMOS INPUT D IN3 D IN4 Output control D CON R OUT1 R TTL/CMOS OUT2 OUTPUT R OUT3 R ...

Page 3

TRUTH TABLE Drivers STBY CON IN OUT Standby mode (DC-DC converter stops Mark level output Space level output Mark level output ...

Page 4

ABSOLUTE MAXIMUM RATINGS (T Parameter Symbol Supply voltage V CC Driver input voltage D IN Receiver input voltage R IN Driver output voltage D OUT Receiver output voltage R OUT Receiver input current I IN Operating temperature range T A ...

Page 5

ELECTRICAL CHARACTERISTICS (DRIVER) (Unless otherwise specified Parameter Symbol Low-level input voltage V IL High-level input voltage V IH Low-level input current I IL High-level input current I IH Output voltage V DO Output short current I SC Slew ...

Page 6

Note 5. Test Point 5 V Standby input 1 Driver output – DAZ Do not perform communication within the standby output transition time t the standby mode. ELECTRICAL CHARACTERISTICS ...

Page 7

Note 7. Test Point Receiver input V TYP –5 t PLH V OH Receiver output 1 Note 8. Test Point 5 V Standby input 1 ...

Page 8

TEST CIRCUIT Driver output voltage/Output current (+ side) + Driver output voltage/Output current (– side) + DC- ...

Page 9

PACKAGE DRAWINGS 28PIN PLASTIC DIP (400 mil NOTES 1) Each lead centerline is located within 0.25 mm (0.01 inch) of its true position (T.P.) at maximum material condition. 2) ltem "K" ...

Page 10

PIN PLASTIC SOP (375 mil NOTE Each lead centerline is located within 0.12 mm (0.005 inch) of its true position (T.P.) at maximum material condition. 10 PD4712C/4712D 15 detail of lead end ...

Page 11

RECOMMENDED SOLDERING CONDITIONS Soldering the PD4712C and 4712D under the conditions listed in the table below is recommended. For soldering methods and conditions other than those recommended, consult NEC. Surface mount type For the details of the recommended soldering conditions ...

Page 12

No part of this document may be copied or reproduced in any form or by any means without the prior written consent of NEC Corporation. NEC Corporation assumes no responsibility for any errors which may appear in this document. ...

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