Data Sheet
VSC8111
VITESSE
SEMICONDUCTOR CORPORATION
ATM/SONET/SDH 155/622 Mb/s Transceiver
Mux/Demux with Integrated Clock Generation
Figure 6: External Integrator Capacitor
CP = 0.1µF
CP1
CP2
+
-
CN1
CN2
CN = 0.1µF
Clock Multiplier Unit
Table 2: Reference Frequency Selection and Output Frequency Control
Reference
STS12
B2
B1
B0
Frequency
[MHz]
1
1
1
0
19.44
1
0
1
0
38.88
1
0
0
1
51.84
1
0
0
0
77.76
0
1
1
0
19.44
0
0
1
0
38.88
0
0
0
1
51.84
0
0
0
0
77.76
Output
Frequency
[MHz]
622.08
622.08
622.08
622.08
155.52
155.52
155.52
155.52
G52142-0, Rev 4.2
8/31/98
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
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