LAN8187_06 Datasheet, PDF (58/72 Pages) SMSC Corporation – ±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWRTM

±15kV ESD Protected MII/RMII Fast-Ethernet PHY with HP Auto-MDIX and SMSC flexPWR^TM
Datasheet
PARAMETER
T4.1
T4.2
Table 6.4 10M MII Receive Timing Values
DESCRIPTION
MIN TYP MAX
Receive signals setup to RX_CLK
10
rising
Receive signals hold from RX_CLK
10
rising
RX_CLK frequency
25
RX_CLK Duty-Cycle
40
Receive signals setup to RX_CLK
10
rising
UNITS
ns
ns
MHz
%
ns
NOTES
6.2.2.2 10M MII Transmit Timing
TX_CLK
TXD[3:0]
TX_EN
Valid Data
T5.1
T5.2
PARAMETER
T5.1
T5.2
Figure 6.5 10M MII Transmit Timing Diagrams
Table 6.5 10M MII Transmit Timing Values
DESCRIPTION
MIN TYP MAX UNITS
Transmit signals setup to
TX_CLK rising
Transmit signals hold after
TX_CLK rising
TX_CLK frequency
TX_CLK Duty-Cycle
12
ns
0
ns
2.5
MHz
50
%
NOTES
Revision 1.0 (12-14-06)
58
DATASHEET
SMSC LAN8187/LAN8187I