VITESSE
SEMICONDUCTOR CORPORATION
Preliminary Data Sheet
OC-48 16:1 SONET/SDH
MUX with Clock Generator
VSC8163
Pin #
Name
I/O
Level
Description
Low-speed differential parallel data
98
D12+
VCC
I
LVPECL
99
—
I
+3.3V typ. Positive power supply
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
D13-
LVPECL
LVPECL
Low-speed differential parallel data
Low-speed differential parallel data
D13+
VCC
I
—
—
—
I
+3.3V typ. Positive power supply
+3.3V typ. Positive power supply
VCC
NC
—
No connect, leave unconnected(1)
D14-
LVPECL
LVPECL
Low-speed differential parallel data
Low-speed differential parallel data
D14+
VCC
I
—
I
+3.3V typ. Positive power supply
D15-
LVPECL
LVPECL
GND typ.
—
Low-speed differential parallel data (LSB)
Low-speed differential parallel data (LSB)
D15+
VEE
I
—
—
—
—
—
—
I
Negative power supply
NC
No connect, leave unconnected(1)
No connect, leave unconnected(1)
No connect, leave unconnected(1)
No connect, leave unconnected(1)
No connect, leave unconnected(1)
Reference clock input, true
NC
—
NC
—
NC
—
NC
—
REFCLK+
REFCLK-
VCC
LVPECL
LVPECL
I
Reference clock input, complement
—
—
O
+3.3V typ. Positive power supply
VEE
GND typ.
LVPECL
LVPECL
GND typ.
Negative power supply
REFCLKO+
REFCLKO-
VEE_ANA
VCC_ANA
NC
Reference clock output, true
O
Reference clock output, complement
Negative power supply pins for analog parts of CMU
—
—
—
—
—
—
—
+3.3V typ. Positive power supply pins for analog parts of CMU
—
No connect, leave unconnected(1)
No connect, leave unconnected(1)
Negative power supply
NC
—
VEE
GND typ.
GND typ.
VEE
Negative power supply
VCC
+3.3V typ. Positive power supply
NOTE: (1) No connect (NC) pins must be left unconnected, or floating. Connecting any of these pins to either the positive or negative power supply
rails may cause improper operation or failure of the device or in extreme cases, cause permanent damage to the device.
© 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 16
G52216-0, Rev 3.3
01/05/00
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
