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VSC7961 Datasheet(PDF) 4 Page - Vitesse Semiconductor Corporation

Part No. VSC7961
Description  3.125Gb/s PECL Limiting Amplifier with LOS Detect
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Maker  VITESSE [Vitesse Semiconductor Corporation]
Homepage  http://www.vitesse.com
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VSC7961 Datasheet(HTML) 4 Page - Vitesse Semiconductor Corporation

 
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VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC7961
3.125Gb/s PECL Limiting Amplifier with LOS Detect
Page 4
G52360-0, 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
Package Pin Descriptions
Figure 1: Pin Diagram
Table 5: Pin Identifications
Pin Name
Pin No.
Description
CZ1
1
Offset Correction Loop Capacitor. Place capacitor between this pin and CZ2 to alter time constant
of offset correction loop. See Detailed Description section.
CZ2
2
Offset Correction Loop Capacitor. Place capacitor between this pin and CZ1 to alter time constant
of offset correction loop. See Detailed Description section.
GND
3
Supply Ground
IN+
4
Noninverted Input Signal
IN-
5
Inverted Input Signal
GND
6
Supply Ground
NC
7
This pin may be either connected to ground of left unconnected. This pin does not effet the
performance of the device.
TH
8
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
9
Inverted Loss of Signal Output. LOS is HIGH for input signals above the threshold programmed by
TH. See Detailed Description section.
LOS
10
Noninverted Loss of Signal Output. LOS is LOW for input signals above the threshold
programmed by TH. See Detailed Description section.
VCC
11
Power Supply
OUT-
12
Inverted Data Output
OUT+
13
Noninverted Data Output
VCC
14
Power Supply
SQUELCH
15
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. See Detailed Description section.
NC
16
No Connection
1
2
3
4
5
6
7
8
CZ1
CZ2
GND
IN+
IN-
GND
NC
TH
NC
SQUELCH
VCC
OUT+
OUT-
VCC
LOS
LOS
16
15
14
13
12
11
10
9
VSC7961
Top View
TSSOP-16 Package


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