VITESSE
SEMICONDUCTOR CORPORATION
Multi-Rate SONET/SDH
Clock and Data Recovery IC
Data Sheet
VSC8122
Figure 6: Pin Diagram
Package Pin Descriptions
Top View
REFSEL1
REFSEL0
VTERM
VCC
VCC
VCC
VCC
VCC
63
FSEL0
FSEL1
REF_INPUTSEL
N/C
VEE_ANA
VCC_ANA
N/C
N/C
LOL
NOREF
VCC
FILTAO
FILTAI
FILTAIN
FILTAON
VEE
15
17
19
13
11
9
7
5
3
1
61
59
57
55
53
51
49
VEE
47
REFCLK0+
REFCLK0-
45
REFCLK+
REFCLK1-
43
VEE
VCC
41
VEE
VCC
39
DO+
DO-
37
VCC
VEE
VITESSE
VCC
35
VEE
VEE
VEE
N/C
N/C
DI+
DI-
VSC8122
21
23
25
27
29
31
VCC
N/C
33
N/C
VCC
N/C
N/C
VCC
VCC
VCC
VCC
CO-
CO+
VEE
VEE
N/C
N/C
N/C
N/C
Page 8
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VITESSE
SEMICONDUCTOR CORPORATION
• 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
N/C
G52228-0, Rev 4.1
01/05/01
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
