TLK6201EA Datasheet, PDF (12/19 Pages) Texas Instruments – 6.25-Gbps Cable and PC Board Equalizer

TLK6201EA
SLLS738 – AUGUST 2006
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Typical operating condition is at V_CC = 3.3 V, T_A = 25°C, DE0 = low, DE1 = low, SWG = low, and no interconnect line at the
output (unless otherwise noted).
DIFFERENTIAL INPUT RETURN LOSS
vs
FREQUENCY
0
DIFFERENTIAL OUTPUT RETURN LOSS
vs
FREQUENCY
0
−5
−5
−10
−10
−15
−15
−20
−20
−25
−25
−30
0
2
4
6
8
10
12
f − Frequency − GHz
G008
Figure 12.
LOS ASSERT THRESHOLD VOLTAGE
vs
DATA RATE
100
K28.5 Pattern
90
36-Inch
80
Stripline
48-Inch
70 ^Stripline
60
24-Inch Stripline
50
40
30
20
10
0
1
12-Inch
Stripline
No Line
2
3
4
5
6
Data Rate − Gbps
Figure 14.
7
G010
−30
0
2
4
6
8
10
12
f − Frequency − GHz
G009
Figure 13.
LOS DE-ASSERT THRESHOLD VOLTAGE
vs
DATA RATE
180
K28.5 Pattern
160
140
48-Inch
120
Stripline
36-Inch
Stripline
100
80
60
40
24-Inch
20
Stripline 12-Inch
Stripline _{No Line}
0
1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5
Data Rate − Gbps
G011
Figure 15.
12
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