DP83849IVSX Datasheet, PDF (101/108 Pages) Texas Instruments – DP83849I PHYTER DUAL Industrial erature with Flexible Port Switching

8.2.26 RMII Transmit Timing
T2.26.1
X1
T2.26.2
TXD[1:0]
TX_EN
PMD Output Pair
T2.26.3
Valid Data
T2.26.4
Symbol
Parameter
Description
Notes
T2.26.1
X1 Clock Period
50 MHz Reference Clock
T2.26.2
TXD[1:0], TX_EN, Data Setup
to X1 rising
T2.26.3
T2.26.4
TXD[1:0], TX_EN, Data Hold
from X1 rising
X1 Clock to PMD Output Pair 100BASE-TX mode
Latency (100Mb)
Min Typ Max Units
20
ns
4
ns
2
ns
11
bits
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100