HBLXT9781HC.C4 Intel, HBLXT9781HC.C4 Datasheet - Page 58
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HBLXT9781HC.C4
Manufacturer Part Number
HBLXT9781HC.C4
Description
Manufacturer
Intel
Datasheet
1.HBLXT9781HC.C4.pdf
(78 pages)
Specifications of HBLXT9781HC.C4
Lead Free Status / RoHS Status
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LXT9761/9781 — Fast Ethernet 10/100 Multi-Port Transceiver with RMII
58
TXD(1:0)
RXD<1:0>, CRS_DV setup to REFCLK rising edge
RXD<1:0>, RX_DV hold from REFCLK rising edge
TPFI in to CRS_DV asserted
TPFI quiet to CRS_DV de-asserted
TXD<1:0> setup to REFCLK rising edge
TXD<1:0> hold from REFCLK rising edge
TX_EN sampled to TPFO out (Tx latency)
TX_EN setup to REFCLK rising edge
TX_EN hold from REFCLK rising edge
REFCLK
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
1. Typical values are at 25 °C and are for design aid only; not guaranteed and not subject to production testing.
TX_EN
Table 27. 10BASE-T Receive Timing Parameters
Figure 31. 10BASE-T Transmit Timing
TPFO
Table 28. 10BASE-T Transmit Timing Parameters
t
Parameter
4
Parameter
t
3
Sym
t1
t3
t2
t4
t5
Sym
t1
t2
t3
t4
t
1
Min
4
2
–
4
2
t
2
Min
4
2
–
–
Typ
15
–
–
–
–
Typ
13
1
–
–
3
1
Max
–
–
–
–
–
Max
–
–
–
–
Units
Units
BT
ns
ns
ns
ns
BT
BT
ns
ns
Test Conditions
Test Conditions
t
5
Datasheet
–
–
–
–
–
–
–
–
–
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