Datasheet

PMD Output Pair
+1 rise
+1fall
–1fall
–1 rise
90%
10%
10%
90%
PMDOutput Pair
EyePattern
T0345-01
t
1
t
1
t
1
t
1
t
2
t
2
TLK105
TLK106
www.ti.com SLLSEB8A –AUGUST 2012–REVISED MARCH 2013
9.6.8 100Base-TX Transmit Timing (t
R/F
and Jitter)
Table 9-8. 100Base-TX Transmit Timing (t
R/F
and Jitter)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
100Mbs PMD Output Pair t
R
and t
F
(1)
3 4 5 ns
t
1
100Mbs t
R
and t
F
Mismatch
(2)
500 ps
t
2
100Mbs PMD Output Pair Transmit Jitter 1.4 ns
(1) Rise and fall times taken at 10% and 90% of the +1 or -1 amplitude.
(2) Normal Mismatch is the difference between the maximum and minimum of all rise and fall times.
Figure 9-8. 100Base-TX Transmit Timing (t
R/F
and Jitter)
Copyright © 2012–2013, Texas Instruments Incorporated Electrical Specifications 81
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