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.
Features
http://onsemi.com
•
•
•
•
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
14
1
SOIC−14
D SUFFIX
CASE 751A
PDIP−14
P SUFFIX
CASE 646
14
1
SOEIAJ−14
M SUFFIX
CASE 965
1
14
PIN CONNECTIONS
Input A
Line Driver
MC1488
Interconnecting
Cable
Line Receiver
MC1489
Response
Control A
Output A
Input B
Response
Control B
MDTL Logic Input
Interconnecting
Cable
MDTL Logic Output
Output B
Ground
1
2
3
4
5
6
7
14 V
CC
13 Input D
12 Response
Control D
11 Output D
10 Input C
9
8
Response
Control C
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 8 of this data sheet.
*For additional information on our Pb−Free strategy
and soldering details, please download the
ON Semiconductor Soldering and Mounting
Techniques Reference Manual, SOLDERRM/D.
©
Semiconductor Components Industries, LLC, 2004
1
April, 2004 − Rev. 8
Publication Order Number:
MC1489/D
ONSEMI [ ON SEMICONDUCTOR ]
