UPD4711B Datasheet PDF - NEC
| Part Number | UPD4711B | |
| Description | RS-232 LINE DRIVER/RECEIVER | |
| Manufacturers | NEC | |
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DATA SHEET
MOS INTEGRATED CIRCUIT
µPD4711B
RS-232 LINE DRIVER/RECEIVER
The µPD4711B is a 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 µPD4711B is provided with two output driver circuits and two 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
µPD4711BCX
µPD4711BGS
Package
20-pin plastic DIP (300 mil)
20-pin plastic SOP (300 mil)
The information in this document is subject to change without notice.
Document No. S10315EJ3V1DS00 (3rd edition)
Date Published April 1997 N
Printed in Japan
©
1995
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µPD4711B
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 timeNote 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 kΩ
VCC = +4.5 V, RL = 3 kΩ
VCC = +5.0 V, vs. GND
CL = 10 pF, RL = 3 to 7 kΩ
CL = 2500 pF, RL = 3 to 7 kΩ
RL = 3.5 kΩ, 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
11
6
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
Ω
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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| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ UPD4711B.PDF Datasheet ] | |
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