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DP83848K_08 Datasheet, PDF (66/78 Pages) National Semiconductor (TI) – PHYTER® Mini LS Industrial Temperature Single Port 10/100 Ethernet Transceiver
8.2.8 100BASE-TX Transmit Timing (tR/F & Jitter)
PMD Output Pair
T2.8.1
+1 rise
90%
10%
10%
+1 fall
T2.8.1
90%
-1 fall
T2.8.1
-1 rise
T2.8.1
T2.8.2
PMD Output Pair
eye pattern
T2.8.2
Parameter
Description
T2.8.1
100 Mb/s PMD Output Pair tR
and tF
100 Mb/s tR and tF Mismatch
T2.8.2
100 Mb/s PMD Output Pair
Transmit Jitter
Notes
Min Typ Max Units
3
4
5
ns
500 ps
1.4 ns
Note: Normal Mismatch is the difference between the maximum and minimum of all rise and fall times
Note: Rise and fall times taken at 10% and 90% of the +1 or -1 amplitude
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