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MC1489, MC1489A
Quad Line EIA-232D
Receivers
The MC1489 monolithic quad line receivers are designed to
interface data terminal equipment with data communications
equipment in conformance with the specifications of EIA Standard
No. EIA−232D.
Features
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•
•
•
•
Input Resistance
−
3.0 k to 7.0 kW
Input Signal Range
−
±
30 V
Input Threshold Hysteresis Built In
Response Control
a) Logic Threshold Shifting
b) Input Noise Filtering
•
Pb−Free Packages are Available
14
1
SOIC−14
D SUFFIX
CASE 751A
PDIP−14
P SUFFIX
CASE 646
14
1
SOEIAJ−14
M SUFFIX
CASE 965
1
14
PIN CONNECTIONS
Input A
Line Driver
MC1488
Interconnecting
Cable
Line Receiver
MC1489
Response
Control A
Output A
Input B
Response
Control B
DTL Logic Input
Interconnecting
Cable
DTL Logic Output
Output B
Ground
1
2
3
4
5
6
7
14 V
CC
13 Input D
12 Response
Control D
11 Output D
10 Input C
9
8
Response
Control C
Output C
Figure 1. Simplified Application
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 9 of this data sheet.
©
Semiconductor Components Industries, LLC, 2009
December, 2009
−
Rev. 11
1
Publication Order Number:
MC1489/D
MC1489, MC1489A
14
V
CC
9.0 k
R
F
Response Control 2
5.0 k
1.7 k
3 Output
3.8 k
Input 1
MC1489
R
F
6.7 kW
MC1489A
1.6 kW
10 k
7 GND
Figure 2. Representative Schematic Diagram
(1/4 of Circuit Shown)
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2
MC1489, MC1489A
MAXIMUM RATINGS
(T
A
= + 25°C, unless otherwise noted)
Rating
Power Supply Voltage
Input Voltage Range
Output Load Current
Power Dissipation (Package Limitation, SOIC−14 and Plastic Dual In−Line Package)
Derate above T
A
= + 25°C
Operating Ambient Temperature Range
Storage Temperature Range
Symbol
V
CC
V
IR
I
L
P
D
1/
qJA
T
A
T
stg
Value
10
±
30
20
1000
6.7
0 to + 75
−
65 to + 175
Unit
Vdc
Vdc
mA
mW
mW/°C
°C
°C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
ELECTRICAL CHARACTERISTICS
(Response control pin is open.) (V
CC
= + 5.0 Vdc
±
10%, T
A
= 0 to + 75°C, unless otherwise noted)
Characteristics
Positive Input Current
Negative Input Current
Input Turn−On Threshold Voltage
(T
A
= + 25°C, V
OL
p
0.45 V)
Input Turn−Off Threshold Voltage
(T
A
= + 25°C, V
OH
q
2.5 V, I
L
=
−
0.5 mA)
Output Voltage High
Output Voltage Low
Output Short−Circuit Current
Power Supply Current (All Gates “on,” I
out
= 0 mA, V
IH
= + 5.0 Vdc)
Power Consumption
Propagation Delay Time
Rise Time
Propagation Delay Time
Fall Time
(V
IH
= + 5.0 Vdc)
(R
L
= 3.9 kW)
(R
L
= 3.9 kW)
(R
L
= 390 kW)
(R
L
= 390 kW)
(V
IH
= + 25 Vdc)
(V
IH
= + 3.0 Vdc)
(V
IH
=
−
25 Vdc)
(V
IH
=
−
3.0 Vdc)
MC1489
MC1489A
MC1489
MC1489A
Symbol
I
IH
I
IL
V
IH
Min
3.6
0.43
−
3.6
−
0.43
1.0
1.75
0.75
0.75
2.5
2.5
−
−
−
−
−
−
−
−
Typ
−
−
−
−
−
1.95
−
0.8
4.0
4.0
0.2
−
3.0
16
80
25
120
25
10
Max
8.3
−
−
8.3
−
1.5
2.25
Vdc
1.25
1.25
5.0
5.0
0.45
−
4.0
26
130
85
175
50
20
Vdc
Vdc
mA
mA
mW
ns
ns
ns
ns
Unit
mA
mA
Vdc
V
IL
(V
IH
= 0.75 V, I
L
=
−
0.5 mA)
(Input Open Circuit, I
L
=
−
0.5 mA)
(V
IL
= 3.0 V, I
L
= 10 mA)
V
OH
V
OL
I
OS
I
CC
P
C
t
PLH
t
TLH
t
PHL
t
THL
SWITCHING CHARACTERISTICS
(V
CC
= 5.0 Vdc
±
1%, T
A
= + 25°C, See Figure 3.)
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3
MC1489, MC1489A
TEST CIRCUITS
5.0 Vdc
R
L
All diodes
1N3064
or equivalent
E
in
C
L
C
t
PLH
E
O
t
THL
t
TLH
1.5 V
1.5 V
C, capacitor is for noise filtering.
R, resistor is for threshold shifting.
t
TLH
and t
THL
measured
10% - 90%
V
in
1/4
MC1489A
Response Node
V
O
E
o
R
3.0 V
50%
E
in
50%
V
R
C
L
= 15 pF = total parasitic capacitance which includes
probe and wiring capacitances
Figure 3. Switching Response
Figure 4. Response Control Node
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4
