S2046/S2047
GIGABIT ETHERNET CHIPSET
Figure 15. Acquisition Time Eye Diagram
ACQUISITION TIME
With the input eye diagram shown in Figure 11, the
S2047 will recover data with a 10-9 BER within 50 bit
times after an instantaneous phase shift of the in-
coming data. Note: This is only valid after a 10 ms
initial reset has been applied on power up.
1.3
1.0
0.8
0.7
Figure 13. Serial Output Load
0.5
50
Ω
0.3
0.2
ECLVCC -2.0V
0
-0.2
0 .10
.30 .40
.60 .70
.90 1.0
Figure 14. Receiver Input Eye Diagram Jitter Mask
Normalized Time
Bit Time
Amplitude
30%
May 16, 2000 / Revision NC
22