lan9303m Standard Microsystems Corp., lan9303m Datasheet - Page 373

• Manufacturer Part Number: lan9303m
• Description: Small Form Factor Three Port 10/100 Managed Ethernet Switch With Dual Mii/rmii/turbo Mii
• Manufacturer: Standard Microsystems Corp.

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
SMSC LAN9303M/LAN9303Mi
14.5.7
SYMBOL
t
t
t
t
t
hold
clkp
clkh
clkl
val
Px_OUTD[3:0]
Px_OUTCLK
Px_OUTDV
Turbo MII Interface Timing (PHY Mode)
This section specifies the Turbo MII interface input and output timing when in PHY mode. Please refer
to
Note 14.18 Timing was designed for system load between 10 pf and 15 pf.
P x _OUTCLK period
P x _OUTCLK high time
P x _OUTCLK low time
P x _OUTD[3:0], P x _OUTDV output valid from
rising edge of P x _OUTCLK
P x _OUTD[3:0], P x _OUTDV output hold from
rising edge of P x _OUTCLK
Chapter 9, "MII Data Interfaces," on page 128
(output)
Table 14.15 Turbo MII Output Timing Values (PHY Mode)
Figure 14.10 Turbo MII Output Timing (PHY Mode)
DESCRIPTION
t
hold
DATASHEET
t
t
val
clkh
373
t
clkp
t
clkl
for additional details.
t
t
clkp
clkp
t
MIN
2.0
val
20
*0.4
*0.4
t
t
clkp
clkp
MAX
14.0
*0.6
*0.6
t
hold
UNITS
Revision 1.3 (08-27-09)
ns
ns
ns
ns
ns
t
val
Note 14.18
Note 14.18
NOTES