lan8710a Standard Microsystems Corp., lan8710a Datasheet - Page 72

• Manufacturer Part Number: lan8710a
• Description: Small Footprint Mii/rmii 10/100 Ethernet Transceiver With Hp Auto-mdix And Flexpwr Technology
• Manufacturer: Standard Microsystems Corp.

Revision 1.2 (08-10-10)
SYMBOL
t
t
t
t
clkp
clkh
hold
TXD[3:0]
t
clkl
su
TXCLK
TXEN
Note 5.17 40ns for 100BASE-TX operation, 400ns for 10BASE-T operation.
Note 5.18 Timing was designed for system load between 10 pf and 25 pf.
TXCLK period
TXCLK high time
TXCLK low time
TXD[3:0], TXEN setup time to rising edge of
TXCLK
TXD[3:0], TXEN hold time after rising edge of
TXCLK
t
hold
DESCRIPTION
Table 5.9 MII Transmit Timing Values
t
Figure 5.5 MII Transmit Timing
su
t
hold
t
DATASHEET
Small Footprint MII/RMII 10/100 Ethernet Transceiver with HP Auto-MDIX and flexPWR
clkh
t
clkp
72
t
clkl
t
su
t
Note 5.17
hold
t
t
clkp
clkp
12.0
MIN
0
*0.4
*0.4
t
t
clkp
clkp
MAX
*0.6
*0.6
t
hold
SMSC LAN8710A/LAN8710Ai
UNITS
ns
ns
ns
ns
ns
t
su
Note 5.18
Note 5.18
NOTES
Datasheet
®
Technology