Maxim Integrated DS33Z41 - Manual (Page 144)

DS33Z41 Quad IMUX Ethernet Mapper
144 of 167
11.2 MII Interface
Table 11-5. Transmit MII Interface
10Mbps 100Mbps
PARAMETER SYMBOL
MIN TYP MAX MIN TYP MAX
UNITS
TX_CLK Period t1 400 40 ns
TX_CLK Low Time t2 140 260 14 26 ns
TX_CLK High Time t3 140 260 14 26 ns
TX_CLK to TXD, TX_EN
Delay
t4 0 20 0 20 ns
Figure 11-1. Transmit MII Interface
TX_CLK
TXD[3:0]
TX_EN
t4
t4
t2
t3
t1