VSC8117QP2 VITESSE [Vitesse Semiconductor Corporation], VSC8117QP2 Datasheet - Page 16

• Manufacturer Part Number: VSC8117QP2
• Description: ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux with Integrated Clock Generation and Clock Recovery
• Manufacturer: VITESSE [Vitesse Semiconductor Corporation]

ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux
with Integrated Clock Generation and Clock Recovery
Page 16
Table 15: Pin Identification
LOSPECL
VDD
VSS
REFCLK
VSSA
VDDA
CP1
CN1
CN2
CP2
VDDA
VSSA
VSS
VSS
VDD
VDD
TXLSCKOUT
TXIN7
TXIN6
VSS
TXIN5
TXIN4
TXIN3
TXIN2
TXIN1
TXIN0
STS12
CRUREFSEL
VDD
EQULOOP
FACLOOP
CRUEQLP
Signal
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: [phone]
Pin
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
VITESSE
VITESSE SEMICONDUCTOR CORPORATION
SEMICONDUCTOR CORPORATION
I/O
O
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
Analog
Analog
Analog
Analog
Level
PECL
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
GND
GND
GND
GND
GND
GND
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
Loss of Signal Control- Single ended PECL input; active low
+3.3V Power Supply
Ground
Reference clock input, refer to table 10
Analog Ground (CMU)
Analog Power Supply (CMU)
CMU external capacitor (see Figure 6, and Table 1)
CMU external capacitor (see Figure 6, and Table 1)
CMU external capacitor (see Figure 6, and Table 1)
CMU external capacitor (see Figure 6, and Table 1)
Analog Power Supply (CRU)
Analog Ground (CRU)
Ground
Ground
+3.3V Power Supply
Transmit byte clock out
Transmit input data bit7
Transmit input data bit6
Ground
Transmit input data bit5
Transmit input data bit4
Transmit input data bit3
Transmit input data bit2
Transmit input data bit1
Transmit input data bit0
155Mb/s or 622Mb/s mode select, refer to table 10
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
Facility loopback, loops high speed receive data and clock
directly to transmit outputs.
Loops TXDATAOUT to the CRU replacing RXDATAIN+/-
+3.3V Power Supply
Pin Description
VSC8117
Data Sheet
G52221-0, Rev 4.1
1/8/00