lxt9763 Intel Corporation, lxt9763 Datasheet - Page 51

• Manufacturer Part Number: lxt9763
• Description: Fast Ethernet 10/100 Hex Transceiver With Full Mii
• Manufacturer: Intel Corporation

Datasheet
RXD<3:0>, RX_DV, RX_ER setup
to RX_CLK High
RXD<3:0>, RX_DV, RX_ER hold
from RX_CLK High
CRS asserted to RXD<3:0>, RX_DV
Receive start of “J” to CRS asserted
Receive start of “T” to CRS de-asserted
Receive start of “J” to COL asserted
Receive start of “T” to COL de-asserted
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
Figure 24. 100BASE-FX Receive Timing
Table 26. 100BASE-FX Receive Timing Parameters
Parameter
RXD<3:0>
RX_CLK
RX_DV
TPFI
CRS
COL
0ns
Fast Ethernet 10/100 Hex Transceiver with Full MII — LXT9763
Sym
t1
t2
t3
t4
t5
t6
t7
t6
t4
Min
10
10
–
–
–
–
–
Typ
10
14
10
14
–
–
4
1
Max
–
–
–
–
–
–
–
t3
Units
BT
BT
BT
BT
BT
ns
ns
250ns
t5
t7
t1
Test Conditions
t2
–
–
–
–
–
–
–
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