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100 Ω
D
A
B
DE
RE
R
100 Ω
A
B
D
DE
RE
R
Bidirectional Half-Duplex Applications
Multipoint Bus Applications
100 Ω
D/R
D/R
D/R
D/R
D/R
D/R
D/R
D/R
100 Ω
Note A: Keep drivers and receivers as close to the LVDS bus side connector as possible.
_
+
_
+
SN65LVDM176
SLLS320D – DECEMBER 1998 – REVISED JULY 2000
APPLICATION INFORMATION (continued)
It is only under these conditions that the output of the receiver will be valid with less than a 50-mV differential
input voltage magnitude. The presence of the termination resistor, Rt, does not affect the fail-safe function as
long as it is connected as shown in the figure. Other termination circuits may allow a dc current to ground that
could defeat the pullup currents from the receiver and the fail-safe feature.
Figure 19. Bidirectional Half-Duplex and Multipoint Bus Applications
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