VSC8117QP2 VITESSE [Vitesse Semiconductor Corporation], VSC8117QP2 Datasheet - Page 15

• 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]

VSC8117
G52221-0, Rev. 4.1
1/8/00
Data Sheet
Table 15: Pin Identification
Package Pin Descriptions
RESET
LOOPTIM0
CMUFREQSEL
VDDP
TXDATAOUT+
TXDATAOUT-
LOSDETEN_
RXCLKIN+
RXCLKIN-
VDDP
OOF
DSBLCRU
RXDATAIN+
RXDATAIN-
VDD
REFCLKP+
REFCLKP-
VDD
RXOUT0
RXOUT1
VSS
RXOUT2
RXOUT3
RXOUT4
RXOUT5
RXOUT6
RXOUT7
VSS
RXLSCKOUT
FP
VDD
CRUREFCLK
Signal
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: [phone]
Pin
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
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
I
I
I
I
I
I
I
I
ATM/SONET/SDH 622/155 Mb/s Transceiver Mux/Demux
+3.3/+5V
+3.3/+5V
PECL
PECL
Level
PECL
PECL
PECL
PECL
PECL
PECL
+3.3V
+3.3V
+3.3V
with Integrated Clock Generation and Clock Recovery
GND
GND
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
Resets frame detection, dividers, controls; active high
Enable loop timing operation; active HIGH
Reference clock frequency select, refer to table 10
+3.3V or +5V Power Supply for PECL I/Os
Transmit output, high speed differential data +
Transmit output, high speed differential data -
Enables internal LOS detection (active low).
Receive high speed differential clock input+
Receive high speed differential clock input-
+3.3V or +5V Power Supply for PECL I/Os
Out Of Frame; Frame detection initiated with high level
Disable on-chip clock recovery unit; active high
Receive high speed differential data input+
Receive high speed differential data input-
+3.3V Power Supply
PECL reference clock input+
PECL reference clock input-
+3.3V Power Supply
Receive output data bit0
Receive output data bit1
Ground
Receive output data bit2
Receive output data bit3
Receive output data bit4
Receive output data bit5
Receive output data bit6
Receive output data bit7
Ground
Receive byte clock output
Frame detection pulse
+3.3V Power Supply
Optional external CRU reference clock @77.76MHz
Pin Description
Page 15