Datasheet

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