TLK4015_09 Datasheet, PDF (21/26 Pages) Texas Instruments – QUAB 0.6 to 1.5 Gbps TRANSCEIVER

TLK4015
QUAD 0.6 to 1.5 Gbps TRANSCEIVER
SLLS541B − DECEMBER 2002 − REVISED JULY 2006
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 13 and section choosing RREF resistor values for more
information.
Figure 14. High-Speed-I/O Directly Coupled Mode
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