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PDF SCG4521 Data sheet ( Hoja de datos )
| Número de pieza | SCG4521 | |
| Descripción | Synchronous Clock Generators | |
| Fabricantes | Connor-Winfield | |
| Logotipo |  |
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2111 Comprehensive Drive
Aurora, Illinois 60505
Phone: 630-851-4722
Fax: 630-851-5040
www.conwin.com
SCG4521
Synchronous Clock
Generators
PLL
www.DataSheet4U.com
Bulletin
Page
Revision
Date
Issued By
SG036
1 of 16
A02
25 Oct 01
MBatts
Features
• Dual 19.44 MHz Input References
• Primary 155.52 MHz LVPECL Outputs with Disable Function
• Secondary 51.84 MHz CMOS Output
• Phase Locked Output Frequency Control
• Intrinsically Low Jitter Crystal Oscillator
• LOR & LOL Alarm
• Force Free Run Function
• Automatic Free Run operation on loss of both References A & B
• Input Duty Cycle Tolerant
• 3.3V dc Power Supply
• Small Size: 1 Square Inch
1 page  
Typical MTIE Measurement
Figure 3
Typical TDEV Measurement
Figure 4
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Advance Data Sheet #: SG036 Page 5 of 16 Rev: A02 Date: 10/25/01
© Copyright 2001 The Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice
5 Page 
Recommended PECL Termination
Figure 12
3.3 VDC
Vcc
Q
SCGxxx
LVPECL
OUTPUT
QN
GND
50 OHM Transmission Line
50 OHM Transmission Line
3.3 VDC
Vcc
Q
SCGxxx
LVPECL
OUTPUT
QN
GND
50 OHM Transmission Line
50 OHM Transmission Line
3.3 VDC
Vcc
Q
SCGxxx
LVPECL
OUTPUT
QN
GND
150
50
50
150
50 OHM Transmission Line
50 OHM Transmission Line
3.3 VDC
3.3 VDC
130 82
Vcc
D
LVPECL
INPUT
DN
GND
130 82
3.3 VDC
Vcc - 2 VDC
50
50
Vcc - 2 VDC
3.3 VDC
Vcc
D
LVPECL
INPUT
DN
GND
3.3 VDC
Vcc
D
100 LVPECL
INPUT
DN
GND
If PECL outputs do not drive a long line (< 0.5”),
a single 150Ω termination resistor to ground may be used for each pin.
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Advance Data Sheet #: SG036 Page 11 of 16 Rev: A02 Date: 10/25/01
© Copyright 2001 The Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet SCG4521.PDF ] | |
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