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MAX481E Datasheet(PDF) 7 Page - Maxim Integrated Products

Part No. MAX481E
Description  ±15kV ESD-Protected, Slew-Rate-Limited, Low-Power, RS-485/RS-422 Transceivers
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX481E Datasheet(HTML) 7 Page - Maxim Integrated Products

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±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
_______________________________________________________________________________________
7
______________________________________________________________Pin Description
1
2
Receiver Output: If A > B by 200mV, RO will be high;
If A < B by 200mV, RO will be low.
2
Receiver Output Enable. RO is enabled when
R
E
is
low; RO is high impedance when
R
E
is high.
3
Driver Output Enable. The driver outputs, Y and Z, are
enabled by bringing DE high. They are high imped-
ance when DE is low. If the driver outputs are enabled,
the parts function as line drivers. While they are high
impedance, they function as line receivers if
R
E
is low.
4
3
Driver Input. A low on DI forces output Y low and out-
put Z high. Similarly, a high on DI forces output Y high
and output Z low.
6
Noninverting Receiver Input and Noninverting Driver
Output
6
Inverting Driver Output
5
Noninverting Driver Output
5
4
Ground
No Connect—not internally connected
8
1
Positive Supply: 4.75V
≤ VCC ≤ 5.25V
7
Inverting Receiver Input
7
Inverting Receiver Input and Inverting Driver Output
8
Noninverting Receiver Input
PIN
2
3
4
5
10
9
6, 7
1, 8, 13
14
11
12
RO
R
E
DE
DI
A
Z
Y
GND
N.C.
VCC
B
B
A
FUNCTION
MAX489E
MAX491E
NAME
MAX488E
MAX490E
MAX481E/MAX483E
MAX485E/MAX487E
MAX1487E


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