lan8187 Standard Microsystems Corp., lan8187 Datasheet - Page 60

• Manufacturer Part Number: lan8187
• Description: Lan8187/lan8187i ?15kv Esd Protected Mii/rmii 10/100 Ethernet Transceiver With Hp Auto-mdix & Flexpwr Technology
• Manufacturer: Standard Microsystems Corp.

Revision 1.5 (01-10-08)
6.3.1.2
6.3.2
6.3.2.1
PARAMETER
T8.1
T8.2
100M RMII Transmit Timing
RMII 10Base-T TX/RX Timings
10M RMII Receive Timing
Transmit signals setup to rising
edge of REF_CLK
Transmit signals hold after rising
edge of REF_CLK
REF_CLK frequency
REF_CLK
RXD[1:0]
CRS_DV
REF_CLK
TXD[1:0]
TX_EN
DESCRIPTION
Figure 6.7 100M RMII Transmit Timing Diagram
Figure 6.8 10M RMII Receive Timing Diagram
Table 6.7 100M RMII Transmit Timing Values
±15kV ESD Protected MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX & flexPWR
DATASHEET
MIN
60
4
2
Valid Data
T9.1
T8.1
Valid Data
TYP
T9.2
50
T8.2
MAX
UNITS
MHz
ns
ns
SMSC LAN8187/LAN8187i
NOTES
TM
Datasheet
Technology