QUAD GIGABIT ETHERNET DEVICE
OUTPUT LOAD
S2204
Figure 22. High Speed Differential Inputs
The S2204 serial outputs do not require output
pulldown resistors.
VDD - 1.3 V
ACQUISITION TIME
0.01 µf
With the input eye diagram shown in Figure 24, the
S2204 will recover data with a ≤1E-9 BER within the
time specified by TLOCK in Table 24 after an instan-
taneous phase shift of the incoming data.
100 Ω
0.01 µf
Figure 23. Receiver Input Eye Diagram Jitter Mask
Figure 19. Serial Input/Output Rise and Fall Time
80%
50%
20%
80%
50%
20%
Bit Time
Tr
Tf
Amplitude
Figure 20. TTL Input/Output Rise and Fall Time
+2.0V
+0.8V
+2.0V
+0.8V
24%
Tr
Tf
Figure 21. Serial Output Load
Figure 24. Acquisition Time Eye Diagram
1.3
V
DD -2.3V
1.0
0.8
0.7
0.01 µf
0.5
0.3
0.2
0.01 µf
0.0
Normalized Time
31
October 9, 2000 / Revision E
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
