Fast Ethernet 10/100 Hex Transceiver with Full MII — LXT9763
Figure 26. 10BASE-T Receive Timing
RX_CLK
t
1
t2
t3
RXD,
RX_DV,
RX_ER
t5
t
4
CRS
TPFI
t
6
t
t
7
9
t8
COL
Table 28. 10BASE-T Receive Timing Parameters
1
Parameter
Sym
Min
Typ
Max
Units
Test Conditions
RXD, RX_DV, RX_ER setup to RX_CLK High
RXD, RX_DV, RX_ER hold from RX_CLK High
TPFI in to RXD out (Rx latency)
t1
t2
t3
t4
t5
t6
t7
t8
t9
10
10
–
–
–
–
–
–
–
–
–
–
–
–
ns
ns
–
–
–
–
–
–
–
–
–
6.6
18
1
BT
BT
BT
BT
BT
BT
BT
CRS asserted to RXD, RX_DV, RX_ER asserted
RXD, RX_DV, RX_ER de-asserted to CRS de-asserted
TPFI in to CRS asserted
–
–
–
2.5
12
3
TPFI quiet to CRS de-asserted
–
TPFI in to COL asserted
–
TPFI quiet to COL de-asserted
–
12
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
2. CRS is asserted. RXD/RX_DV are driven at the start of SFD (64 BT).
Datasheet
53
INTEL [ INTEL ]
