
Micrel, Inc.
KSZ8851SNL/SNLI
August 2009
74
M9999-083109-2.0
Auto Negotiation Timing
Figure 17. Auto Negotiation Timing
Timing Parameter
Description
Min
Typ
Max
Unit
tBTB
FLP burst to FLP burst
8
16
24
ms
tFLPW
FLP burst width
2
ms
tPW
Clock/Data pulse width
100
ns
tCTD
Clock pulse to data pulse
55.5
64
69.5
s
tCTC
Clock pulse to clock pulse
111
128
139
s
Number of Clock/Data pulses per burst
17
33
Table 17. Auto Negotiation Timing Parameters