LAN83C185_08 Datasheet, PDF (52/60 Pages) SMSC Corporation – High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)

6.3
High Performance Single Chip Low Power 10/100 Ethernet Physical Layer Transceiver (PHY)
Datasheet
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
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
%
NOTES
Revision 0.8 (06-12-08)
52
DATASHEET
SMSC LAN83C185