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