VSC8113QB1 VITESSE [Vitesse Semiconductor Corporation], VSC8113QB1 Datasheet - Page 18

• 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 18
Table 17: Pin Definitions
VDD
N/C
RX50MCK
VSS
RXOUT0
RXOUT1
VSS
RXOUT2
RXOUT3
VSS
RXOUT4
RXOUT5
VSS
RXOUT6
RXOUT7
VSS
RXLSCKOUT
FP
VDD
LOSOUT
CRUREFCLK
LOSTTL
LOSPECL
VDD
VSS
REFCLK
LOOPTIM1
VDD
VSSA
VSSA
N/C
VDDA
CP1
Signal
Pin
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: [phone]
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
58
59
60
61
62
63
57
VITESSE
VITESSE SEMICONDUCTOR CORPORATION
SEMICONDUCTOR CORPORATION
I/O
O
O
O
O
O
O
O
O
O
O
O
O
I
I
I
I
I
Analog
Level
PECL
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V
GND
GND
GND
GND
GND
GND
GND
GND
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
+3.3V Power Supply
No connection
Constant 51.84MHz ref clock output, derived from the CMU
Ground
Receive output data bit0
Receive output data bit1
Ground
Receive output data bit2
Receive output data bit3
Ground
Receive output data bit4
Receive output data bit5
Ground
Receive output data bit6
Receive output data bit7
Ground
Receive byte clock output
Frame detection pulse
+3.3V Power Supply
Loss of Signal alarm indicator
Optional external CRU reference clock @77.76MHz
Loss of Signal Control - TTL input
Loss of Signal Control- Single ended PECL input
+3.3V Power Supply
Ground
Reference clock input, refer to table 12
Enable loop timing operation; active HIGH
+3.3V Power Supply
Analog Ground (CMU)
Analog Ground (CMU)
No connection
Analog Power Supply (CMU)
CMU external capacitor (see Figure 6, and Table 1)
Pin Description
VSC8113
Data Sheet
G52154-0, Rev 4.2
3/19/99