82546EB Datasheet, PDF (34/47 Pages) Intel Corporation – Dual Port Gigabit Ethernet Controller

82546EB — Networking Silicon
4.6.2.3
Link Interface Receive Timing
Figure 10. Receive Interface Timing
RBC1
2.0V
RX_DATA[9:0]
0.8V
2.0V
COM_DET
0.8V
RBC0
TSU
TH
COMMA
Code_Group
TA-B
1.4V
Valid
Data
TSU
TH
1.4V
Table 16. Receive Interface Timing
Symbol
Parameter
Min
Typ
Max
Unit
TREQ
RBC0/RBC1 frequency
TBI mode (1000 Mbps)
62.5
MHz
TSETUP Data setup before rising RBC0/RBC1
2.5
ns
THOLD
Data hold after rising RBC0/RBC1
1
ns
TDUTY
RBC0/RBC1 duty cycle
40
60
%
TA-B
RBC0/RBC1 skew
7.5
8.5
ns
28
Datasheet