VITESSE
SEMICONDUCTOR CORPORATION
2.488Gb/s SONET/SDH
Advance Product Information
STS-48/STM-16 Section Terminator
VSC8151
Table 20: Pin Identification
Signal
Pin
I/O
Level
Pin Description
TXPOUT0
VEE
147
148
149
150
151
152
153
154
155
156
157
158
159
160
O
PWR
O
PECL
GND
PECL
—
16 bit PECL output bus
POUTCLK
NC
16 bit PECL bus clock
—
PWR
PWR
—
—
I
Leave Unconnected
VCC
+3.3V
+3.3V
—
VCC
NC
Leave Unconnected
Leave Unconnected
Test Input (TTL CLK)
Test Input (TTL SEL)
Leave Unconnected
System Reset
NC
—
TEST
TEST
NC
GND
GND
—
I
—
I
SYSRST
NC
TTL
—
—
I
Leave Unconnected
Test Input
TEST
GND
Page 26
VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
G52225-0, Rev. 2.9
12/1/99