lan9303m Standard Microsystems Corp., lan9303m Datasheet - Page 367
![no-image](/images/no-image-200.jpg)
lan9303m
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.
Datasheet
1.LAN9303M.pdf
(380 pages)
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Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
SMSC LAN9303M/LAN9303Mi
14.5.4
SYMBOL
t
t
t
t
t
hold
clkp
clkh
clkl
val
Px_OUTD[3:0]
Px_OUTCLK
Px_OUTDV
MII Interface Timing (MAC Mode)
This section specifies the MII interface input and output timing when in MAC mode. Please refer to
Chapter 9, "MII Data Interfaces," on page 128
Note 14.12 Timing was designed for system load between 10pf and 25 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
(input)
Table 14.9 MII Output Timing Values (MAC Mode)
DESCRIPTION
Figure 14.4 MII Output Timing (MAC Mode)
t
hold
DATASHEET
t
t
val
clkh
367
t
clkp
for additional details.
t
clkl
t
t
clkp
clkp
t
MIN
val
40
0
*0.4
*0.4
t
t
clkp
clkp
MAX
22.0
*0.6
*0.6
t
hold
UNITS
Revision 1.3 (08-27-09)
ns
ns
ns
ns
ns
t
val
Note 14.12
Note 14.12
NOTES
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