SGS Thomson Microelectronics MC1489D, MC1489AP, MC1489P, MC1489AD Datasheet
MC1489
■ INPUTRESISTANCE–3kto7kΩ
■ INPUTSIGNALRANGE– ± 30V
■
INPUTTHRESHOLDHYSTERESISBUILT-IN
■ RESPONSECONTR OL:
a) LOGICTHRESHOLDSHIFTING
b) INPUT NOISEFILTERING
DESCRIPTION
The MC1489 monolithic quad line receivers are
designed to interface data therminal equipment
with data communications equipment in
conformance with the specifications of EIA
StandardNo. RS-232C.
MC1489A
QUAD LINE RECEIVERS
P
DIP14
( Plastic)
D
SO14
(PlacticMicropackage)
PIN CONNECTION
ORDERCODES:
MC1489P,MC1489AP(DIP–14 Plastic)
MC1489D,MC1489AD(SO-14)
(topview)
March 2000
1/10
MC1489 / MC1489A
SCHEMATIC DIAGRAM (1/4 of circuit shown)
ABSOLUTE MAXIMUM RATINGS
Symb ol Parameter Value Unit
V
Power Supply Voltage 10 V
S
V
Input Voltage Range
I
I
Output Load Current 20 mA
OL
P
Power Dissipation 1 W
tot
T
Operating Ambient Temperature 0 to 75
amb
T
Storage Temperature Range –65 to 150
stg
30 V
±
o
C
o
C
ELECTRICAL CHARACTERISTICS
ResponseControl Pin is Open ; V
= 5 V,T
S
Symb ol Parameter Test Cond t i ons Mi n . Typ . Max. Unit
Positive Input Current VIH=25V
I
IH
I
Negative Input Current VIL=_25V
IL
V
Input Turn-on Threshold Voltage
IH
V
Input Turn-off Threshold Voltage
IL
V
V
Ouptut Voltage High VIH= 0.75V, IL=-0.5mA
OH
Output Voltage Low VIL= 3V, IL= 10mA 0.2 0.45 V
OL
I
Output Short Circuit Current
OS
I
Power Supply Current All gates ”on”, Io=0mA
S
P
Power Consumption VIH= 5V 80 130 mW
C
= 0 to 75oC, unless otherwise specified
amb
3.6
V
IH
=3V
0.43
-3.6
V
=_3V
IL
=25oC, V
T
amb
= 10mA for MC1489
I
L
OL
0.45
≤
forMC1489A
=25oC, V
T
amb
I
= -0.5mA
L
= 0.5mA Input Open Circuit
I
L
V
=5V 16 26
IH
OL
2.5V
≥
-0.43
1
1.75 1.95
0.75 1.25
2.5
2.5
4
4
_
3
8.3 mA
-8.3 mA
1.5
2.25
5
5
_
4mA
mA
V
V
V
2/10
MC1489 / MC1489A
SWITCHING CHARACTERISTICS
= 5V,T
V
S
Symbol Parameter Test Condtions Min. Typ. Max. Unit
t
PLH
t
TLH
t
PHL
t
THL
TESTCIRCUITS
Figure1 :
=25oC, see Figure1
amb
Propagation delay Time
Rise Time
Propagation Delay Time
Fall Time
Switching Response
R
R
R
R
=3.9k
L
L
L
L
Ω
=3.9k
Ω
=390
Ω
=390
Ω 10 20 ns
Figure2 :
ResponseControl Node
25 85 ns
120 175 ns
25 50 ns
Figure3 :
Input Current
Figure4 :
C: capacitor is fornoisefiltering
OutputShort-CircuitCurrent
3/10
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