VSC7984
Datasheet
Pin Identifications
This section contains the pin descriptions for the VSC7984 device.
Table 5. Pin Identifications
Pin
1
Signal Name
ENABLE
GND
I/O
Description
I
Enables output modulation and bias voltage.
2
Power
Ground.
3
DATA
GND
I
Data input, true.
4
Power
Ground.
5
DATAN
GND
I
Data input, complement.
6
Power
Ground.
7
GND
Power
Ground.
8
CLK
I
Clock input, true.
9
GND
Power
Ground.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
CLKN
GND
I
Clock input, complement.
Power
Ground.
VTEMP
GND
O
Device temperature monitor output.
Power
Ground.
OUTN
GND
O
Data output, complement.
Power
Ground.
OUT
O
Data output, true.
GND
Power
Ground.
VREF
CSEL
VOFS
VMOD
VEE
O
Reference voltage.
I
Clock enable. For clock mode, connect to VEE; leave floating for unclocked mode.
Output bias control. See Figure 4, page 5.
Output modulation control. See Figure 5, page 5.
Negative power supply.
I
I
Power
Power
I
VEE
Negative power supply.
PW
Pulse width control for data eye crossing point, true.
1. A voltage HIGH on the data input (pin 3) corresponds to a voltage HIGH on the data output (pin 16).
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VMDS-10029 Revision 4.1
January 19, 2007
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
