Datasheet

High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)
Datasheet
SMSC LAN83C185 51 Revision 0.8 (06-12-08)
DATASHEET
6.2 100Base-TX Timings
6.2.1 100M MII Receive Timing
6.2.2 100M MII Transmit Timing
PARAMETER DESCRIPTION MIN TYP MAX UNITS NOTES
T2.1 Receive signals setup to RX_CLK
rising
10 ns
T2.2 Receive signals hold from
RX_CLK rising
10 ns
RX_CLK frequency 25 MHz
RX_CLK Duty-Cycle 40 %
PARAMETER DESCRIPTION MIN TYP MAX UNITS NOTES
T3.1 Transmit signals setup to TX_CLK
rising
12 ns
T3.2 Transmit signals hold after
TX_CLK rising
0ns
TX_CLK frequency 25 MHz
TX_CLK Duty-Cycle 40 %
RX_CLK
RXD[3:0]
RX_DV
RX_ER
T2.1
Valid Data
T2.2
TX_CLK
TXD[3:0]
TX_EN
TX_ER
T3.1 T3.2
Valid Data