LAN9303 Datasheet, PDF (354/366 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
(input)
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 14.5 MII Input Timing (MAC Mode)
Table 14.10 MII Input Timing Values (MAC 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
8.0
9.0
MAX
t_clkp*0.6
t_clkp*0.6
UNITS NOTES
ns
ns
ns
ns Note 14.13
ns Note 14.13
Note 14.13 Timing was designed for system load between 10pf and 25 pf.
Revision 1.3 (08-27-09)
354
DATASHEET
SMSC LAN9303/LAN9303i