S2044/S2045
GLM COMPLIANT SERIAL INTERFACE CIRCUITS
Figure 9. Serial Input Rise and Fall Time
ACQUISITION TIME
With the input eye diagram shown in Figure 13, the
S2045 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.
80%
50%
20%
80%
50%
20%
T
T
r
f
Figure 13. Acquisition Time Eye Diagram
1.3
1.0
Figure 10. Serial Output Load
0.8
0.7
50Ω
ECLVCC -2.0V
0.5
0.3
0.2
Figure 11. TTL Input Rise and Fall Time
0
90%
50%
10%
90%
50%
10%
-0.2
0 .10
.30 .40
.60 .70
.90 1.0
Normalized Time
T
T
r
f
Figure 12. Receiver Input Eye Diagram Jitter Mask
Bit Time
Amplitude
30%
19
AMCC [ APPLIED MICRO CIRCUITS CORPORATION ]
