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What is UPD4714A?

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


UPD4714A Datasheet PDF - NEC

Part Number UPD4714A
Description RS-232 LINE DRIVER/RECEIVER
Manufacturers NEC 
Logo NEC Logo 


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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD4714A
RS-232 LINE DRIVER/RECEIVER
The µPD4714A is a high-voltage silicon gate CMOS line dirver/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 µPD4714A is provided with three output driver circuits and five 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
µPD4714ACY
µPD4714AGT
Package
28-pin plastic DIP (400 mil)
28-pin plastic SOP (375 mil)
Document No. S10322EJ3V1DS00 (3rd edition)
Date Published April 1997 N
Printed in Japan
© 1995

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UPD4714A equivalent
µPD4714A
ELECTRICAL CHARACTERISTICS (OVERALL)
(Unless otherwise specified, VCC = +5 V ±10 %, TA = –20 ˚C to +80 ˚C, C1 to C4 = 22 µF)
Parameter
Circuit current
Circuit current
Standby circuit current
Standby low-level
input voltage
Standby high-level
input voltage
Standby high-level
input current
Standby low-level
input current
Input capacitance
Symbol
Conditions
MIN.
VCC = +5 V, no load, RIN pin open
ICC1 (Standby pin open)
VCC = +5 V, RL = 3 k(DOUT), DIN = GND,
ICC2 RIN and ROUT pins open
(Standby pin open)
ICC VCC = +5 V, no load, RIN pin open
(Standby) (Standby pin high)
VIL Note 3
(Standby)
VIH
(Standby)
2.0
IIH VCC = +5.5 V
(Standby) VI = 5.5 V
IIL VCC = +5.5 V
(Standby) VI = 0 V
Driver input and receiver input
CIN VCC = +5 V, vs. GND, f = 1 MHz
TYP. MAX. Unit
7.0 18.0 mA
23.0 40.0 mA
50 120 µA
0.8 V
V
100 µA
–1 µA
10 pF
* TYP.: Typical (reference) value at TA = 25 ˚C.
Note 3. Because the standby pin is internally pulled down, if the standby pin is left open, operating mode
is in effect.
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
* TYP.: Typical (reference) value at TA = 25 ˚C.
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
300 500
4
25
10 µs
50 ms
5


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On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for UPD4714A electronic component.


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Featured Datasheets

Part NumberDescriptionMFRS
UPD4714AThe function is RS-232 LINE DRIVER/RECEIVER. NECNEC
UPD4714ACYThe function is RS-232 LINE DRIVER/RECEIVER. NECNEC
UPD4714AGTThe function is RS-232 LINE DRIVER/RECEIVER. NECNEC

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