TLK1501

0.6 TO 1.5 GBPS TRANSCEIVER

SLLS428F − JUNE 2000 − REVISED JANUARY 2004

22

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

APPLICATION INFORMATION

_

+

RXP

RXN

Rt

TXN

Rt

V(term)

TXP

Data

Data

Preemphasis = 21 mA

(See Note A)

De-Emphasis = 19 mA

TRANSMITTER

MEDIA

RECEIVER

V(term)

V(term) = VDD

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 15. High-Speed I/O Directly-Coupled Mode