TLK1501_12 Datasheet, PDF (22/32 Pages) Texas Instruments – 0.6 TO 1.5 GBPS TRANSCEIVER

TLK1501
0.6 TO 1.5 GBPS TRANSCEIVER
SLLS428F − JUNE 2000 − REVISED JANUARY 2004
APPLICATION INFORMATION
V(term)
Data
TXP
TXN
Data
Rt
Transmission Line
Transmission Line
Rt
RXP
+
_
RXN
V(term)
V(term) = VDD
Preemphasis = 21 mA
(See Note A)
De-Emphasis = 19 mA
TRANSMITTER
MEDIA
RECEIVER
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 15. High-Speed I/O Directly-Coupled Mode
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