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What is UPD4712D?

This electronic component, produced by the manufacturer "NEC", performs the same function as "RS-232 LINE DRIVER/RECEIVER".


UPD4712D Datasheet PDF - NEC

Part Number UPD4712D
Description RS-232 LINE DRIVER/RECEIVER
Manufacturers NEC 
Logo NEC Logo 


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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD4712C/4712D
RS-232 LINE DRIVER/RECEIVER
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
µPD4712CCY
µPD4712DCY
µPD4712CGT
µPD4712DGT
Package
28-pin plastic DIP (400 mil)
28-pin plastic DIP (400 mil)
28-pin plastic SOP (375 mil)
28-pin plastic SOP (375 mil)
Document No. S10316EJ3V1DS00 (3rd edition)
Date Published April 1997 N
Printed in Japan
© 1995

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UPD4712D equivalent
µPD4712C/4712D
ELECTRICAL CHARACTERISTICS (DRIVER)
(Unless otherwise specified, VCC = +5 V ±10 %, TA = –20 ˚C to +80 ˚C, C1 to C4 = 22 µF)
Parameter
Low-level input voltage
High-level input voltage
Low-level input current
High-level input current
Output voltage
Output short current
Slew rate
Propagation delay time Note 4
Output resistance
Standby output transition time
Standby output transition time
Symbol
VIL
VIH
IIL
IIH
VDO
ISC
SR
tPHL
tPLH
RO
tDAZ
tDZA
Conditions
VCC = +5.0 V, RL = , TA = 25 ˚C
VCC = +5.0 V, RL = 3 k
VCC = +4.5 V, RL = 3 k
VCC = +5.0 V, vs. GND
CL = 10 pF, RL = 3 to 7 k
CL = 2500 pF, RL = 3 to 7 k
RL = 3.5 k, CL = 2500 pF
VCC = VDD = VSS = 0 V
VOUT = ±2 V
Note 5
Note 5
MIN.
2.0
0
0
±5.5
±5.0
1.5
1.5
TYP.
±9.7
±15
9
5
MAX.
0.8
–1.0
1.0
±40
30
30
Unit
V
V
µA
µA
V
V
V
mA
V/µs
V/µs
0.8 µs
300
4
25
10 µs
50 ms
* TYP.: Typical (reference) value at TA = 25 ˚C.
Note 4. Test point
If the output control pin is made low, the driver output goes low regardless of the driver input state.
6 ns 6 ns
Driver input
5
90 %
1.5 V
0
10 %
Driver output
VOH
VOL
tPLH
10 %
3V
–3 V
SR
10 %
90 %
1.5 V
tPHL
3V
–3 V
90 %
SR
5


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPD4712D electronic component.


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Featured Datasheets

Part NumberDescriptionMFRS
UPD4712CThe function is RS-232 LINE DRIVER/RECEIVER. NECNEC
UPD4712CCYThe function is RS-232 LINE DRIVER/RECEIVER. NECNEC
UPD4712CGTThe function is RS-232 LINE DRIVER/RECEIVER. NECNEC

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