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LAN9303MI-AKZE Datasheet, PDF (379/386 Pages) SMSC Corporation – Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Small Form Factor Three Port 10/100 Managed Ethernet Switch with Dual MII/RMII/Turbo MII
Datasheet
Note 14.20 Timing was designed for system load between 10 pf and 25 pf.
Px_OUTCLK
(input)
tclkp
tclkh tclkl
tval
tval
tohold
Px_OUTD[1:0]
Px_OUTDV
tohold
tsu tihold
tsu tihold
tval
tihold
Px_IND[1:0]
tihold
tsu
Px_INDV
Figure 14.13 RMII Px_OUTCLK Input Mode Timing
Table 14.18 RMII Px_OUTCLK Input Mode Timing Values
SYMBOL
DESCRIPTION
tclkp
tclkh
tclkl
toval
tohold
tsu
tihold
Px_OUTCLK period
Px_OUTCLK high time
Px_OUTCLK low time
Px_OUTD[1:0], Px_OUTDV output valid from
rising edge of Px_OUTCLK
Px_OUTD[1:0], Px_OUTDV output hold from
rising edge of Px_OUTCLK
Px_IND[1:0], Px_INDV setup time to rising edge
of Px_INCLK
Px_IND[1:0], Px_INDV input hold time after
rising edge of Px_INCLK
MIN
20
tclkp*0.35
tclkp*0.35
3.0
4.0
1.5
MAX
UNITS NOTES
tclkp*0.65
tclkp*0.65
14.0
ns
ns
ns
ns Note 14.21
ns Note 14.21
ns Note 14.21
ns Note 14.21
Note 14.21 Timing was designed for system load between 10 pf and 25 pf.
SMSC LAN9303M/LAN9303Mi
379
DATASHEET
Revision 1.5 (07-08-11)