LAN83C185_03 Datasheet, PDF (57/65 Pages) SMSC Corporation – High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver

High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)
Datasheet
6.3
10Base-T Timings
6.3.1 10M MII Receive Timing
RX_CLK
RXD[3:0]
RX_DV
RX_ER
Valid Data
T4.1 T4.2
PARAMETER
T4.1
T4.2
DESCRIPTION
Receive signals setup to RX_CLK
rising
Receive signals hold from RX_CLK
rising
RX_CLK frequency
RX_CLK Duty-Cycle
Receive signals setup to RX_CLK
rising
MIN
10
10
10
TYP
25
40
MAX
UNITS
ns
ns
MHz
%
ns
NOTES
6.3.2 10M MII Transmit Timing
TX_CLK
TXD[3:0]
TX_EN
Valid Data
T5.1
T5.2
PARAMETER
T5.1
T5.2
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 TYP MAX UNITS
12
ns
0
ns
2.5
MHz
50
%
49
DATASHEET
NOTES
Rev. 0.6 (12-12-03)