ICS1893 Datasheet, PDF (147/152 Pages) Integrated Circuit Systems – 3.3-V 10Base-T/100Base-TX Integrated PHYceiver™

ICS1893 - Release
Chapter 10 DC and AC Operating Conditions
10.5.21 10Base-T: Normal Link Pulse Timing
Table 10-28 lists the significant time periods for the 10Base-T Normal Link Pulse (which consists of timings
of signals on the TP_TXP pins). Figure 10-22 shows the timing diagram for the time periods.
Table 10-28. 10Base-T Normal Link Pulse Timing
Time
Period
Parameter
t1 Normal Link Pulse Width
t2 Normal Link Pulse to Normal Link Pulse Period
Conditions
10Base-T
10Base-T
Min. Typ. Max. Units
– 100 –
ns
8 20 25 ms
Figure 10-22. 10Base-T Normal Link Pulse Timing Diagram
TP_TXP
t1
t2
ICS1893 Rev C 6/6/00
Copyright © 2000, Integrated Circuit Systems, Inc.
All rights reserved.
147
June, 2000