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. EIA−232D.
http://onsemi.com
Features
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•
•
•
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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
Pb−Free Packages are Available
SOIC−14
D SUFFIX
CASE 751A
14
1
PDIP−14
P SUFFIX
CASE 646
14
1
SOEIAJ−14
M SUFFIX
CASE 965
14
1
PIN CONNECTIONS
Input A
14 VCC
Response
Control A
Line Receiver
MC1489
1
2
13 Input D
Output A
Interconnecting
Cable
Line Driver
MC1488
3
12 Response
Control D
Input B
Interconnecting
Cable
5
10 Input C
Output B
DTL Logic Output
11 Output D
6
9
Response
Control C
Ground
DTL Logic Input
4
Response
Control B
7
8
Output C
Figure 1. Simplified Application
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 8 of this data sheet.
DEVICE MARKING INFORMATION
See general marking information in the device marking
section on page 9 of this data sheet.
© Semiconductor Components Industries, LLC, 2009
December, 2009 − Rev. 11
1
Publication Order Number:
MC1489/D