© Semiconductor Components Industries, LLC, 2009
December, 2009 Rev. 11
1 Publication Order Number:
MC1489/D
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. EIA232D.
Features
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
PbFree Packages are Available
DTL Logic Output
Interconnecting
Cable
Interconnecting
Cable
DTL Logic Input
Line Receiver
MC1489
Figure 1. Simplified Application
Line Driver
MC1488
PDIP14
P SUFFIX
CASE 646
1
14
SOIC14
D SUFFIX
CASE 751A
1
14
See general marking information in the device marking
section on page 9 of this data sheet.
DEVICE MARKING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
ORDERING INFORMATION
1
1
14
SOEIAJ14
M SUFFIX
CASE 965
PIN CONNECTIONS
Input D
13
Response
Control B
Input A
Response
Control A
1
Ground
Input B
2
Output C
Response
Control C
Output D
V
CC
14
Response
Control D
Output A
Input C
Output B
8
9
10
11
12
7
5
3
4
6
http://onsemi.com
MC1489, MC1489A
http://onsemi.com
2
Figure 2. Representative Schematic Diagram
(1/4 of Circuit Shown)
3.8 k
Input 1
R
F
Response Control 2
1.7 k
5.0 k
10 k
7 GND
3 Output
14
V
CC
9.0 k
MC1489 MC1489A
R
F
6.7 kW 1.6 kW
MC1489, MC1489A
http://onsemi.com
3
MAXIMUM RATINGS (T
A
= + 25°C, unless otherwise noted)
Rating
Symbol Value Unit
Power Supply Voltage V
CC
10 Vdc
Input Voltage Range V
IR
± 30 Vdc
Output Load Current I
L
20 mA
Power Dissipation (Package Limitation, SOIC14 and Plastic Dual InLine Package)
Derate above T
A
= + 25°C
P
D
1/
q
JA
1000
6.7
mW
mW/°C
Operating Ambient Temperature Range T
A
0 to + 75 °C
Storage Temperature Range T
stg
65 to + 175 °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
Symbol Min Typ Max Unit
Positive Input Current (V
IH
= + 25 Vdc)
(V
IH
= + 3.0 Vdc)
I
IH
3.6
0.43
8.3
mA
Negative Input Current (V
IH
= 25 Vdc)
(V
IH
= 3.0 Vdc)
I
IL
3.6
0.43
8.3
mA
Input TurnOn Threshold Voltage
(T
A
= + 25°C, V
OL
p 0.45 V) MC1489
MC1489A
V
IH
1.0
1.75
1.95
1.5
2.25
Vdc
Input TurnOff Threshold Voltage
(T
A
= + 25°C, V
OH
q 2.5 V, I
L
= 0.5 mA) MC1489
MC1489A
V
IL
0.75
0.75
0.8
1.25
1.25
Vdc
Output Voltage High (V
IH
= 0.75 V, I
L
= 0.5 mA)
(Input Open Circuit, I
L
= 0.5 mA)
V
OH
2.5
2.5
4.0
4.0
5.0
5.0
Vdc
Output Voltage Low (V
IL
= 3.0 V, I
L
= 10 mA) V
OL
0.2 0.45 Vdc
Output ShortCircuit Current I
OS
3.0 4.0 mA
Power Supply Current (All Gates “on,” I
out
= 0 mA, V
IH
= + 5.0 Vdc) I
CC
16 26 mA
Power Consumption (V
IH
= + 5.0 Vdc) P
C
80 130 mW
SWITCHING CHARACTERISTICS (V
CC
= 5.0 Vdc ± 1%, T
A
= + 25°C, See Figure 3.)
Propagation Delay Time
(R
L
= 3.9 kW)
t
PLH
25 85 ns
Rise Time
(R
L
= 3.9 kW)
t
TLH
120 175 ns
Propagation Delay Time
(R
L
= 390 kW)
t
PHL
25 50 ns
Fall Time
(R
L
= 390 kW)
t
THL
10 20 ns

MC1489PG

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
RS-232 Interface IC Quad Line EIA-232D Receiver
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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