S2054
FIBRE CHANNEL AND GIGABIT ETHERNET TRANSCEIVER
Figure 10. Serial Input Rise and Fall Time
ACQUISITION TIME
With the input eye diagram shown in Figure 14, the
S2054 will recover data with a 10-9 BER within 50 bit
times after an instantaneous phase shift of the in-
coming data.
80%
50%
20%
80%
50%
20%
T
T
r
f
Figure 14. Acquisition Time Eye Diagram
Figure 11. Serial Output Load
1.3
1.0
50
V
Ω
0.8
0.7
- 2.0V
CC
0.5
0.3
0.2
Figure 12. LVTTL Input and Output
Rise and Fall Time
0
2.0V
.8V
2.0V
.8V
-0.2
0
.10
.30 .40
.60 .70
.90 1.0
Normalized Time
T
T
r
f
Figure 13. Receiver Input Eye Diagram Jitter Mask
Bit Time
Amplitude
30%
14
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
