TLK3118 Datasheet, PDF (52/57 Pages) Texas Instruments – Redundant XAUI Transceiver

TLK3118
Redundant XAUI Transceiver
SLLS628A – DECEMBER 2004 – REVISED APRIL 2005
A2
800
A1
400
0
−A1
400
−A2
200
X1 X2 1−X2 X2 1
Time − UI
Figure 30. Transmit Template
Table 86. Driver Template Parameters⁽¹⁾
PARAMETER
X1 (See Figure 30, Transmit Template)
X2 (See Figure 30, Transmit Template)
A1 (See Figure 30, Transmit Template)
A2 (See Figure 30, Transmit Template)
NEAR END VALUE
0.175
0.390
400
800
FAR END VALUE
0.275
0.400
100
800
(1) For xAUI compliance use external V_ref.
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UNIT
UI
UI
mV
mV
100
0
−100
ǒ_{Vref + VDDT * 0.8 V}Ǔ
0.325
0.675
1
Unit Interval
Figure 31. Receive Template
J_DR
J_R
J_R
J_TOL
NOTE: J_TOL= J_R + J_DR, where J_TOL is the receive jitter tolerance, J_DR is the
received deterministic jitter, and J_R is the Gaussian random edge jitter
distribution at a maximum BER = 10^-12.
Figure 32. Input Jitter
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