MC1489
MC1489A
Quad line receivers
General features
s
s
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Input resistance –3k to 7kΩ
Input signal range ± 30V
Input threshold hysteresis built-in
Response control:
a) Logic threshold shifting
b) Input noise filtering
DIP
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.
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Order code
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Part Number
DIP14
MC1489P
MC1489AP
MC1489D1013TR
MC1488AD1013TR
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SO14 (Tape & reel)
April 2006
Rev 4
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Contents
MC1489/MC1489A
Contents
1
2
3
4
5
6
7
8
Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Typical applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
8.1
Device characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
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9
Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
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2/17
MC1489/MC1489A
Maximum ratings
3
Table 1.
Symbol
V
S
V
I
I
OL
P
TOT
T
amb
T
stg
Maximum ratings
Absolute maximum ratings
Parameter
Power supply voltage
Input voltage range
Output load current
Power dissipation
Operating ambient temperature
Storage temperature range
Value
10
±30
20
1
0 to 75
-65 to 150
Unit
V
V
mA
W
Note:
Absolute Maximum Ratings are those values beyond which damage to the device may
occur. Functional operation under these condition is not implied.
Thermal data
Parameter
Thermal resistance junction-ambient Max
Table 2.
Symbol
R
thJA
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Plastic DIP14
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Unit
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