VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
2.5Gb/s SONET-Compatible
8-Bit MUX/DEMUX Chipset
VSC8021/VSC8022
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
D8
VEE
D7N
D7
O
Pwr
O
ECL
-5.2V
ECL
ECL
0V
Parallel Data Bit 8, True
Power Supply for High-Speed Logic
Parallel Data Bit 7, Complement
Parallel Data Bit 7, True
Ground
O
VCC
NC
Pwr
No Connection
D6N
D6
O
O
O
ECL
ECL
ECL
Parallel Data Bit 6, Complement
Parallel Data Bit 6, True
Parallel Data Bit 5, Complement
No Connection
D5N
NC
D5
O
Pwr
O
ECL
0V
Parallel Data Bit 5, True
Ground
VCC
BYCKON
NC
ECL
Divide-by-8 Clock, Complement
No Connection
VTT
BYCKO
D4N
VCC
D4
Pwr
O
-2.0V
ECL
ECL
0V
Power Supply for Internal Reference and Low Power Logic
Divide-by-8 Clock, True
Parallel Data Bit 4, Complement
Ground
O
Pwr
O
ECL
ECL
ECL
Parallel Data Bit 4, True
Parallel Data Bit 3, Complement
Parallel Data Bit 3, True
D3N
D3
O
O
NOTE: (1) Pin #23 is connected to the heat sink. Connect to V or most negative chip voltage.
EE
G52028-0, Rev 4.1
05/25/01
Page 15
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
