Datasheet
SLLS428F − JUNE 2000 − REVISED JANUARY 2004
23
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
APPLICATION INFORMATION
_
+
RXP
RXN
V
DD
TXN
R
t
V
DD
TXP
V
DD
200 Ω
820 Ω
DataData
Preemphasis = 21 mA
(See Note A)
De-Emphasis = 19 mA
TRANSMITTER MEDIA RECEIVER
0.01 µF
0.01 µF
R
t
R
t
R
t
V
(term)
V
(term)
V
(term)
Transmission
Line
Transmission
Line
NOTE A: This assumes RREF = 200 Ω and termination resistance = 50 Ω. See Figure 14 and section choosing RREF resistor values for more
information.
Figure 16. High-Speed I/O AC-Coupled Mode