MC1489
MC1489A
QUAD LINE RECEIVERS
s
s
s
s
INPUT RESISTANCE –3k to 7kΩ
INPUT SIGNAL RANGE – ± 30V
INPUT THRESHOLD HYSTERESIS BUILT-IN
RESPONSE CONTROL:
a) LOGIC THRESHOLD SHIFTING
b) INPUT NOISE FILTERING
DESCRIPTION
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 N° RS232C.
DIP
SOP
SCHEMATIC DIAGRAM
September 2003
1/13
MC1489/MC1489A
PIN CONFIGURATION
(top view)
ORDERING CODES
DIP14
MC1489P
MC1489AP
SO14
MC1489D1
SO14 (TAPE & REEL)
MC1489D1013TR
MC1489AD1013TR
ABSOLUTE MAXIMUM RATINGS
Symbol
V
S
V
I
I
OL
P
TOT
T
amb
T
stg
Power Supply Voltage
Input Voltage Range
Output Load Current
Power Dissipation
Operating Ambient Temperature
Storage Temperature Range
Parameter
Value
10
±30
20
1
0 to 75
-65 to 150
Unit
V
V
mA
W
°C
°C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these condition is
not implied.
2/13
MC1489/MC1489A
ELECTRICAL CHARACTERISTICS
Response Control Pin in Open; V
S
= 5V, T
amb
= 0 to 75°C, unless otherwise specified.
Symbol
I
IH
I
IL
V
IH
V
IL
V
OH
V
OL
I
OS
I
S
P
C
Parameter
Positive Input Current
Negative Input Current
Input Turn-On Threshold
Voltage
Input Turn-Off Threshold
Voltage
Output Voltage High
Output Voltage Low
Output Short Circuit
Current
Power Supply Current
Power Consumption
V
IH
= 25 V
V
IH
= 3 V
V
IL
= - 25 V
V
IL
= - 3 V
T
amb
= 25°C, V
OL
≤
0.45 V
I
L
= 10 mA
for MC1489
for MC1489A
Test Conditions
Min.
3.6
0.43
-3.6
-0.43
1
1.75
0.75
2.5
2.5
4
4
0.2
-3
All gates "ON", I
O
= 0 mA, V
IH
= 5 V
V
IH
= 5 V
16
80
1.95
1.5
2.25
1.25
5
5
0.45
-4
26
130
V
mA
mA
mW
V
V
V
-8.3
mA
Typ.
Max.
8.3
Unit
mA
T
amb
= 25°C, V
OL
≥
2.5 V I
L
= -0.5 mA
V
IH
= 0.75 V, I
L
= -0.5 mA
I
L
= 0.5 mA Input Open Circuit
V
IL
= 3 V, I
L
= 10 mA
SWITCHING CHARACTERISTICS
V
S
= 5V, T
amb
= 25°C, (see Figure 1)
Symbol
t
PLH
t
THL
t
PHL
t
THL
Rise Time
Propagation Delay Time
Fall Time
Parameter
Propagation Delay Time
Test Conditions
R
L
= 3.9 KΩ
R
L
= 3.9 KΩ
R
L
= 390
Ω
R
L
= 390
Ω
Min.
Typ.
25
120
25
10
Max.
85
175
50
20
Unit
ns
ns
ns
ns
TEST CIRCUITS
Figure 1 :
Switching Response
3/13
MC1489/MC1489A
Figure 2 :
Response Control Node
C: capacitor is for noise filtering
Figure 3 :
Input Current
Figure 4 :
Output Short-Circuit Current
4/13
MC1489/MC1489A
Figure 5 :
Output Voltage and Input Threshold Voltage
Figure 6 :
Power Supply Currents
5/13
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