SP3489CT Sipex Corporation, SP3489CT Datasheet
SP3489CT
Manufacturer Part Number
SP3489CT
Description
SOP16
Manufacturer
Sipex Corporation
Specifications of SP3489CT
Date_code
04+
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SP3489CT
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SIPEX
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SP3489CT
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SIPEX
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20 000
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SP3489CT-TR
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20 000
DESCRIPTION…
The SP3488 and the SP3489 are +3.3V low power quad line receivers that meet the
specifications of the RS-485 and RS-422 serial protocols. These devices are pin-to-pin
compatible with Sipex's SP488 and SP489 devices as well as popular industry standards.
The SP3488 and SP3489 feature Sipex's BiCMOS process allowing low power operation
without sacrificing performance. The SP3488 and SP3489 meet the electrical specifications
of RS-485 and RS-422 serial protocols up to 10Mbps under load. The SP3488 features a
common receiver enable control. The SP3489 provides independent receiver enable
controls for each pair of receivers. Both devices feature tri-state outputs and a -7V to +12V
common-mode input range. The receivers have a fail-safe feature which forces a logic "1"
output when receiver inputs are left floating.
10/16/02
RS-485 or RS-422 Quad Differential
Line Receivers
Operates from a single +3.3V supply
Interoperable with +5.0V logic
Tri-state Output Control
-7V to +12V Common-Mode Input
Voltage Range
Common Driver Enable Control
(SP3488)
Independent Driver Enable Controls
for each pair of Drivers (SP3489)
Compatibility with LTC488
and SN75173 (SP3488)
Compatibility with LTC489
and SN75175 (SP3489)
GND
RI
RI
RI
RI
RO
RO
EN
1
1
2
2
B
A
A
B
1
2
1
2
3
4
5
6
7
8
SP3488/3489 Low Power Quad RS-485/422 Line Receivers
®
1
2
SP3488
RS-485/RS-422 Line Receivers
3
4
16
15
14
13
12
11
10
9
V
RI
RI
RO
EN
RO
RI
RI
CC
4
4
3
3
B
A
A
B
4
3
1
EN
+3.3V Low Power Quad
1
GND
RI
RI
/EN
RI
RI
RO
RO
1
1
2
2
B
A
A
B
1
2
2
1
2
3
4
5
6
7
8
SP3488 and SP3489
1
2
SP3489
3
4
© Copyright 2002 Sipex Corporation
16
15
14
13
12
11
10
9
V
RI
RI
RO
EN
RO
RI
RI
CC
4
4
3
3
B
A
3
A
B
4
3
/EN
4
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