VITESSE
SEMICONDUCTOR CORPORATION
Multi-Rate SONET/SDH FEC
Clock and Data Recovery IC
Package Pin Descriptions
Figure 6: Pin Diagram
Top View
Data Sheet
VSC8122-FEC
FSEL0
FSEL1
REF_INPUTSEL
N/C
VEE_ANA
VCC_ANA
N/C
N/C
LOL
NOREF
VCC
FILTAO
FILTAI
FILTAIN
FILTAON
VEE
63
61
59
57
55
53
51
49
1
VITESSE
47
3
45
5
43
7
41
9
39
11
37
13
15
VSC8122-FEC
35
33
17
19
21
23
25
27
29
31
VEE
REFCLK0+
REFCLK0-
REFCLK+
REFCLK1-
VEE
VCC
VEE
VCC
DO+
DO-
VCC
VEE
VCC
N/C
N/C
Page 8
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52300-0, Rev 4.1
03/01/01