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SP489EET Datasheet

  • SP489EET

  • Enhanced Quad RS-485/RS-422 Line Receivers

  • 10頁(yè)

  • SIPEX

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廬
SP488E and SP489E
Enhanced Quad RS-485/RS-422 Line Receivers
s
s
s
s
s
s
s
RS-485 or RS-422 Applications
Quad Differential Line Receivers
Receiver Output Disable
鈥?V to +12V Common Mode Input Range
1mA Supply Current
Single +5V Supply Operation
Superior Drop-in Replacement for
SN75173, SN75175, LTC488 and LTC489
s
Improved ESD Specifications:
+15kV Human Body Model
+15kV IEC1000-4-2 Air Discharge
+8kV IEC1000-4-2 Contact Discharge
DESCRIPTION鈥?/div>
The
SP488E
and
SP489E
are low-power quad differential line receivers that meet the
specifications of RS-485 and RS-422 serial protocols with enhanced ESD performance. The
ESD tolerance has been improved on these devices to over +15kV for both Human Body
Model and IEC1000-4-2 Air Discharge Method. These devices are superior drop-in replace-
ments to
Sipex's SP488
and
SP489
devices as well as popular industry standards. As with
the original versions, the
SP488E
features a common receiver enable control and the
SP489E
provides independent receiver enable controls for each pair of receivers. Both
feature wide common-mode input ranges. The receivers have a fail-safe features which
forces a logic "1" output when receiver inputs are left floating. Both are available in 16-pin
plastic DIP and SOIC packages.
RI
1
B
RI
1
A
RO
1
EN
RO
2
RI
2
A
RI
2
B
GND
1
2
3
4
5
6
7
8
SP488E
1
4
16
15
14
13
12
V
CC
RI
4
B
RI
4
A
RO
4
EN
RO
3
RI
3
A
RI
3
B
RI
1
B
RI
1
A
RO
1
EN
1
/EN
2
RO
2
RI
2
A
RI
2
B
GND
1
2
3
4
5
6
7
8
SP489E
1
4
16
15
14
13
12
V
CC
RI
4
B
RI
4
A
RO
4
EN
3
/EN
4
RO
3
RI
3
A
RI
3
B
2
3
11
10
9
2
3
11
10
9
SP488E/489EDS/07
SP488E/489E Enhanced Quad RS-485/RS-422 Line Receivers
漏 Copyright 2000 Sipex Corporation
1

SP489EET相關(guān)型號(hào)PDF文件下載

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