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VSC7959 Datasheet(PDF) 6 Page - Vitesse Semiconductor Corporation

Part No. VSC7959
Description  3.125Gb/s CML Limiting Amplifier with LOS Detect
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Maker  VITESSE [Vitesse Semiconductor Corporation]
Homepage  http://www.vitesse.com
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VSC7959 Datasheet(HTML) 6 Page - Vitesse Semiconductor Corporation

 
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VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC7959
3.125Gb/s CML Limiting Amplifier with LOS Detect
Page 6
G52358-0, Rev 2.0
02/09/01
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Table 6: Pad Coordinates
Pad
Name
Pin Name
Pad/Pin
Number
Coordinates (µm)
Description
X
Y
CZ1
CZ1
1
270.525
1359.05
Offset Correction Loop Capacitor. Place capacitor between
this pin and CZ2 to alter time constant of offset correction
loop. See Detailed Description section.
CZ2
CZ2
2
80.95
1170.525
Offset Correction Loop Capacitor. Place capacitor between
this pin and CZ1 to alter time constant of offset correction
loop. See Detailed Description section.
GNDA
GND
3
80.95
990.525
Supply Ground
LAINP
IN+
4
80.95
810.525
Noninverted Input Signal
LAINM
IN-
5
80.95
630.525
Inverted Input Signal
GNDA
GND
6
80.95
450.525
Supply Ground
LVL
LEVEL
7
80.95
270.525
Output Current Level. This pin may either be connected to
ground or left unconnected. Connecting to ground causes
output current to be 20mA. The output is 16mA when left
unconnected. See Detailed Description section.
TH
TH
8
270.525
80.95
Loss of Signal (LOS) Threshold. Connect a resistor from
this pin to ground to set the input signal level at which LOS
outputs will be asserted. See Application Information
section.
LOS
LOS
9
1169.475
80.95
Inverted Loss of Signal Output. LOS is HIGH for input
signals above the threshold programmed by TH. See
Detailed Description section.
LOS
LOS
10
1359.05
270.525
Noninverted Loss of Signal Output. LOS is LOW for input
signals above the threshold programmed by TH. See
Detailed Description section.
VCCA
VCC
11
1359.05
450.525
Power Supply
LOAM
OUT-
12
1359.05
630.525
Inverted Data Output
LAOP
OUT+
13
1359.05
810.525
Noninverted Data Output
VCCA
VCC
14
1359.05
990.525
Power Supply
SQ
SQUELCH
15
1359.05
1170.525
Squelch Input. Squelch is disabled if this pin is unconnected
or set LOW. When SQUELCH is HIGH, OUT+ and OUT-
are forced to static levels.
NC
—/16
1169.475
1359.05
No Connection


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