VSC8113QB1 VITESSE [Vitesse Semiconductor Corporation], VSC8113QB1 Datasheet - Page 20

• Manufacturer Part Number: VSC8113QB1
• Description: ATM/SONET/SDH 622 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery
• Manufacturer: VITESSE [Vitesse Semiconductor Corporation]

ATM/SONET/SDH 622 Mb/s Transceiver Mux/Demux
with Integrated Clock Generation and Clock Recovery
Page 20
Table 17: Pin Definitions
STS12
CRUREFSEL
VDD
EQULOOP
Signal
Pin
100
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: [phone]
97
98
99
VITESSE
VITESSE SEMICONDUCTOR CORPORATION
SEMICONDUCTOR CORPORATION
I/O
I
I
I
Level
+3.3V
TTL
TTL
TTL
155Mb/s or 622Mb/s mode select, refer to table 12
Selects between CMU’s or CRU’s REFCLK
+3.3V Power Supply
Equipment loopback, loops low speed byte wide transmit
input data to receive output bus
Pin Description
VSC8113
Data Sheet
G52154-0, Rev 4.2
3/19/99