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ISL8485ECP View Datasheet(PDF) - Intersil

Part Name
Description
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ISL8485ECP Datasheet PDF : 14 Pages
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ISL8483E, ISL8485E
Pin Descriptions
PIN
FUNCTION
RO
RE
DE
DI
GND
A/Y
B/Z
VCC
Receiver output: If A > B by at least 0.2V, RO is high; If A < B by 0.2V or more, RO is low; RO = High if A and B are unconnected (floating).
Receiver output enable. RO is enabled when RE is low; RO is high impedance when RE is high.
Driver output enable. The driver outputs, Y and Z, are enabled by bringing DE high. They are high impedance when DE is low.
Driver input. A low on DI forces output Y low and output Z high. Similarly, a high on DI forces output Y high and output Z low.
Ground connection.
±15kV HBM ESD Protected, RS485, RS4-422 level noninverting receiver input and noninverting driver output. Pin is an input (A) if
DE = 0; pin is an output (Y) if DE = 1.
±15kV HBM ESD Protected, RS485, RS4-422 level inverting receiver input and inverting driver output. Pin is an input (B) if DE = 0;
pin is an output (Z) if DE = 1.
System power supply input (4.5V to 5.5V).
Typical Operating Circuits
ISL8483E, ISL8485E
1 RO
2 RE
3 DE
+5V
8
VCC
R
B/Z
A/Y
+
0.1µF
7
RT
6
+5V
+
0.1µF
RT
7
6
8
VCC
B/Z
A/Y
DI 4
D
DE 3
RE 2
4 DI
D
GND
5
R
GND
5
RO 1
3
FN6048.9
September 9, 2008
 

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