LAN83C185_08 Datasheet, PDF (51/60 Pages) SMSC Corporation – High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)

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