ISL3171E INTERSIL [Intersil Corporation], ISL3171E Datasheet - Page 3
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ISL3171E
Manufacturer Part Number
ISL3171E
Description
Manufacturer
INTERSIL [Intersil Corporation]
Datasheet
1.ISL3171E.pdf
(19 pages)
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Truth Tables
NOTE: *Shutdown Mode (See Note 9), except for ISL3171E,
ISL3174E, ISL3177E
Pin Descriptions
ISL3170E, ISL3171E, ISL3172E, ISL3173E, ISL3174E, ISL3175E, ISL3176E, ISL3177E, ISL3178E
GND
V
PIN
A/Y
B/Z
RO
RE
DE
NC
RE
DI
A
B
Y
X
X
Z
CC
0
1
Receiver output: If A-B ≥ -50mV, RO is high; If A-B ≤ -200mV, RO is low; RO = High if A and B are unconnected (floating) or shorted.
Receiver output enable. RO is enabled when RE is low; RO is high impedance when RE is high. If the Rx enable function isn’t used,
connect RE directly to GND or through a 1kΩ to 3kΩ resistor to GND.
Driver output enable. The driver outputs, Y and Z, are enabled by bringing DE high, and are high impedance when DE is low. If the
Tx enable function isn’t used, connect DE to V
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 IEC61000 ESD Protected RS-485/422 level, noninverting receiver input and noninverting driver output. Pin is an input if
DE = 0; pin is an output if DE = 1.
±15kV IEC61000 ESD Protected RS-485/422 level, Inverting receiver input and inverting driver output. Pin is an input if DE = 0;
pin is an output if DE = 1.
±15kV
±15kV
±15kV
±15kV
System power supply input (3.0V to 3.6V).
No Connection.
INPUTS
DE
1
1
0
0
IEC61000
IEC61000
IEC61000
IEC61000
TRANSMITTING
DI
ESD Protected RS-485/422 level, noninverting receiver input.
ESD Protected RS-485/422 level, inverting receiver input.
ESD Protected RS-485/422 level, noninverting driver output.
ESD Protected RS-485/422 level, inverting driver output.
X
X
1
0
3
High-Z *
High-Z
Z
0
1
OUTPUTS
High-Z *
High-Z
Y
CC
1
0
through a 1kΩ to 3kΩ resistor.
FUNCTION
NOTE: *Shutdown Mode (See Note 9), except for ISL3171E,
ISL3174E, ISL3177E
RE
0
0
0
1
1
Half Duplex
DE
0
0
0
0
1
INPUTS
Full Duplex
RECEIVING
DE
X
X
X
0
1
Open/Shorted
≥ -0.05V
≤ -0.2V
Inputs
A-B
X
X
August 28, 2006
OUTPUT
High-Z *
High-Z
RO
FN6307.2
1
0
1