VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
2.5Gb/s SONET-Compatible
8-Bit MUX/DEMUX Chipset
VSC8021/VSC8022
Table 8: VSC8022 Pin Identifications
Pin #
Signal Name
I/O
Level Type
Description
1
2
3
4
5
6
NC
NC
No Connection
No Connection
D2N
VCC
D2
O
Pwr
O
ECL
0V
Parallel Data Bit 2, Complement
Ground
ECL
ECL
Parallel Data Bit 2, True
Parallel Data Bit 1, Complement
D1N
O
Power Supply for Internal Reference Generation and Low Power
Logic
7
8
9
VTT
D1
Pwr
O
-2.0
ECL
ECL
Parallel Data Bit 1, True
Frame Pulse. This pulse will appear one byte period after the first
A2 byte appears on the parallel data output pins.
FP
O
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
VCC
FDIS
OOFN
NC
Pwr
0V
Ground
I
I
ECL
ECL
Frame Recovery Disable
Frame Recovery Enable
No Connection
NC
No Connection
DI
I
HS
HS
HS
0V
HS
High-Speed Serial Data Bit 1, True
High-Speed Serial Data Bit 1, Complement
High-Speed Clock, True
Ground
DIN
CLKI
VCC
CLKIN
NC
I
I
Pwr
I
High-Speed Clock, Complement
No Connection
NC
No Connection
NC
No Connection
VEE(1)
Pwr
-5.2V
Power Supply for High-Speed Logic
No Connection
NC
NC
No Connection
NC
No Connection
NC
No Connection
NC
No Connection
NC
No Connection
VCC
D8N
Pwr
O
0V
Ground
ECL
Parallel Data Bit 8, Complement
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 14
G52028-0, Rev 4.1
05/25/01
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
