MAX1484 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX1484 Datasheet PDF : 16 Pages
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Software-Selectable, Half-/Full-Duplex, Slew-Rate-Limited,
12Mbps, RS-485/RS-422 Transceivers in µMAX Package
_____________________________________________________________Function Tables
MAX1481
TRANSMITTING
INPUTS
OUTPUTS
RE
DE
DI
Z
Y
X
1
1
0
1
X
1
0
1
0
0
0
X
High-Z
High-Z
1
0
X
High-Z and Shutdown
RECEIVING
INPUTS
OUTPUT
RE
DE
A-B
RO
0
X
≥ 0.2V
1
0
X
≤ -0.2V
0
1
1
X
High-Z
1
0
X
High-Z and
Shutdown
MAX1484
TRANSMITTING
INPUTS
RE
DE
DI
X
1
1
X
1
0
X
0
X
OUTPUTS
Z
Y
0
1
1
0
High-Z
High-Z
RECEIVING
INPUTS
OUTPUT
RE
DE
A-B
RO
0
X
≥ 0.2V
1
0
X
≤ -0.2V
0
1
X
X
High-Z
MAX1485/MAX1486
TRANSMITTING
INPUTSINPUTS
OUTPUTS
DE
DI
Z
Y
H/F
1
1
0
1
0
1
0
1
0
0
0
X
High-Z
High-Z
1
1
X = Don’t care
Note: In shutdown mode, driver and receiver outputs are high impedance.
INPUTS
DE
X
X
0
0
RECEIVING
A-B
≥ 0.2V
≤ -0.2V
X
X
OUTPUOTUTPUT
Y-Z
RO
X
1
X
0
≥ 0.2V
1
≤ -0.2V
0
8 _______________________________________________________________________________________
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