LAN8810I-AKZE Datasheet, PDF (92/100 Pages) Microchip Technology – GMII 10/100/1000 Ethernet Transceiver with HP Auto-MDIX Support

GMII 10/100/1000 Ethernet Transceiver with HP Auto-MDIX Support
Datasheet
t_r
RXCLK
RXD[7:0],
RXER, RXDV
t_f
t_val
t_clkp
t_clkh t_clkl
t_val
t_hold
t_hold
Figure 5.6 GMII Receive Timing
Table 5.15 GMII Receive Timing Values
SYMBOL
DESCRIPTION
MIN
t_clkp
RXCLK period
7.5
t_clkh
RXCLK high time
2.5
t_clkl
RXCLK low time
2.5
t_val
RXD[7:0], RXDV, RXER output valid from rising
edge of RXCLK
t_hold
RXD[7:0], RXDV, RXER output hold from rising
edge of RXCLK
0.5
t_r
RXCLK rise time
t_f
RXCLK fall time
MAX
5.0
1
1
UNITS
ns
ns
ns
ns
NOTES
ns
ns
Note 5.22
ns
Note 5.22
Note 5.22 t_r and t_f are measured from V_{IL_AC(Max)}=0.7V to V_{IH_AC(Min)}=1.9V.
Revision 1.0 (02-06-13)
92
DATASHEET
SMSC LAN8810/LAN8810i