MC1489 Datasheet, PDF (1/6 Pages) ON Semiconductor – Quad Line Receivers

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Quad Line 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.
• Input Resistance – 3.0 k to 7.0 kΩ
• Input Signal Range – ± 30 V
• Input Threshold Hysteresis Built In
• Response Control
a) Logic Threshold Shifting
b) Input Noise Filtering
MC1489, A
QUAD MDTL
LINE RECEIVERS
EIA–232D
SEMICONDUCTOR
TECHNICAL DATA
Device
MC1489P, AP
MC1489D, AD
ORDERING INFORMATION
Operating
Temperature Range
TA = 0 to + 75°C
Package
Plastic
SO–14
Line Driver
MC1488
Simplified Application
Interconnecting
Cable
Line Receiver
MC1489
MDTL Logic Input
Interconnecting
Cable
MDTL Logic Output
P SUFFIX
PLASTIC PACKAGE
CASE 646
D SUFFIX
PLASTIC PACKAGE
CASE 751A
(SO–14)
PIN CONNECTIONS
Input A 1
Response
Control A
2
Output A 3
Input B 4
Response
Control B
5
Output B 6
Ground 7
14 VCC
13 Input D
12 ^Response
Control D
11 Output D
10 Input C
9 ^Response
Control C
8 Output C
Representative Schematic Diagram
(1/4 of Circuit Shown)
Response Control 2
3.8 k
Input 1
MC1489 MC1489A
RF 6.7 kΩ 1.6 kΩ
MOTOROLA ANALOG IC DEVICE DATA
9.0 k
5.0 k
1.7 k
RF
10 k
© Motorola, Inc. 1996
14
VCC
3 Output
7 GND
Rev 5
1