lxt9763 Intel Corporation, lxt9763 Datasheet - Page 55

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

Datasheet
COL (SQE) delay after TX_EN off
COL (SQE) pulse duration
Maximum transmit time
Unjab time
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.
TPFOP
Table 30. 10BASE-T SQE (Heartbeat) Timing Parameters
Figure 29. 10BASE-T Jab and Unjab Timing
Table 31. 10BASE-T Jab and Unjab Timing Parameters
Figure 30. Auto Negotiation and Fast Link Pulse Timing
TX_EN
COL
TXD
Parameter
Parameter
Clock Pulse
t1
Sym
t2
t1
t2
Fast Ethernet 10/100 Hex Transceiver with Full MII — LXT9763
t
1
Min
20
–
Sym
Data Pulse
t1
t2
t1
t3
Typ
0.65
Min
0.5
–
–
1
Typ
–
–
1
Max
150
750
Max
1.6
1.5
Units
ms
ms
Clock Pulse
Units
t
2
µ s
µ s
Test Conditions
Test Conditions
–
–
–
–
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