lan8187 Standard Microsystems Corp., lan8187 Datasheet - Page 58

• 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)
6.2.2.2
PARAMETER
PARAMETER
T4.1
T4.2
T5.1
T5.2
10M MII Transmit Timing
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
Transmit signals setup to
TX_CLK rising
Transmit signals hold after
TX_CLK rising
TX_CLK frequency
TX_CLK Duty-Cycle
TX_CLK
TXD[3:0]
TX_EN
DESCRIPTION
DESCRIPTION
Figure 6.5 10M MII Transmit Timing Diagrams
Table 6.5 10M MII Transmit Timing Values
Table 6.4 10M MII Receive Timing Values
±15kV ESD Protected MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX & flexPWR
DATASHEET
58
T5.1
MIN
12
Valid Data
0
MIN
10
10
10
TYP
2.5
50
T5.2
TYP
25
40
MAX
MAX
UNITS
MHz
ns
ns
%
UNITS
SMSC LAN8187/LAN8187i
MHz
ns
ns
ns
%
NOTES
NOTES
TM
Datasheet
Technology