XR3170E Datasheet, PDF (19/24 Pages) Exar Corporation – 3.3V High Speed RS-485/RS-422 TRANSCEIVERS WITH 1/8 UNIT LOAD

REV. 1.0.0
XR3170E-3178E
3.3V HIGH SPEED RS-485/RS-422 TRANSCEIVERS WITH 1/8^th UNIT LOAD
TABLE 4: FULL DUPLEX 14 PIN - XR3170E, XR3173E AND XR3176E
RECEIVING
Inputs
Ouptut
RE
DE
V_A - V_B
RO
0
X
≥ -50mV
1
0
X
≤ -200mV
0
0
X
Open/Shorted
1
1
1
X
High-Z
1
0
X
Shutdown
TABLE 5: FULL DUPLEX 8 PIN - XR3171E, XR3174E AND XR3177E
RECEIVING
Inputs
Output
V_A - V_B
RO
≥ -50mV
1
≤ -200mV
0
Open/Shorted
1
TABLE 6: HALF DUPLEX 8 PIN - XR3172E, XR2175E AND XR3178E
RECEIVING
Inputs
Output
RE
DE
V_A - V_B
RO
0
X
≥ -50mV
1
0
X
≤ -200mV
0
0
X
Open/Shorted
1
1
1
X
High-Z
1
0
X
Shutdown
Note: Receiver inputs -200mV < V_A - V_B < -50mV should be considered indeterminate.
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