LAN9303 Datasheet, PDF (356/366 Pages) SMSC Corporation – Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII

Small Form Factor Three Port 10/100 Managed Ethernet Switch with Single MII/RMII/Turbo MII
Datasheet
P0_INCLK
(output)
t_clkp
t_clkh t_clkl
t_su t_hold
t_su t_hold
t_hold
P0_IND[3:0]
t_hold
t_su
P0_INDV
Figure 14.7 MII Input Timing (PHY Mode)
Table 14.12 MII Input Timing Values (PHY Mode)
SYMBOL
DESCRIPTION
t_clkp
P0_INCLK period
t_clkh
P0_INCLK high time
t_clkl
P0_INCLK low time
t_su
P0_IND[3:0], P0_INDV setup time to rising edge
of P0_INCLK
t_hold
P0_IND[3:0], P0_INDV hold time after rising
edge of P0_INCLK
MIN
40
t_clkp*0.4
t_clkp*0.4
9.0
0
MAX
t_clkp*0.6
t_clkp*0.6
UNITS NOTES
ns
ns
ns
ns Note 14.15
ns Note 14.15
Note 14.15 Timing was designed for system load between 10 pf and 25 pf.
Revision 1.3 (08-27-09)
356
DATASHEET
SMSC LAN9303/LAN9303i