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PDF SCG2000I Data sheet ( Hoja de datos )
| Número de pieza | SCG2000I | |
| 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
SCG2000i
Synchronous Clock
Generators
PLL
www.DataSheet4U.com
Bulletin
Page
Revision
Date
Issued By
SG048
1 of 16
P02
28 Oct 02
MBATTS
Application
The Connor-Winfield SCG2000i provides
high precision phase lock loop frequency
translation for the telecommunication
applications that require a temperature
range of -40°C to 85°C.
SCG2000i is well suited for use in line
cards, service termination cards and
similar functions to provide reliable
reference, phase locked, synchronization
and low phase gain for TDM, PDH, SONET
and SDH network equipment. The
SCG2000i provides a jitter filtered, wander
following output signal synchronized to a
superior Stratum or peer input reference
signal.
Features
• Industrial
Temperature
Range
• 3.3V High
Precision PLL
• Tri-State Capability
• Active Alarms
• Guaranteed Free
Run (20ppm for
19.44MHz output
and 30ppm for
125.0 MHz)
• 1 Sec. Acquisition
Time
1 page  
Table 6
Frequency (MHz)
19.44
125.0
Output Jitter Specifications
Jitter BW 10 Hz - 20 MHz
pS (RMS)
m UI
10 Typ.
0.194 Typ.
10 Typ.
1.250 Typ.
SONET Jitter BW 12 KHz - 20 MHz
pS (RMS)
m UI
1 Max., 0.5 Typ.
0.019 Max.
1 Max., 0.5 Typ.
0.125 Max.
Table 7
Output Programming
Tristate Free Run
00
1X
01
Output
Locked to reference selected (default)
Hi-Z Tristate condition
Free run
Table 8
Alarm Status
LOL Output LOR Output
00
10
X1
Alarm Output
No alarm
Loss-of-Lock
Loss-of-Reference
Maximum Package Dimensions
Figure 3
www.DataSheet4U.com
Recommended Footprint Dimensions
Figure 4
0.800 (20.32mm)
0.640 (16.26mm)
0.080 (2.03mm)
0.050 TYP
(1.27mm)
0.100 TYP
(2.54mm)
0.050 TYP
(1.27mm)
0.650
(16.51mm)
Data Sheet #: SG048 Page 5 of 16 Rev: P02 Date: 10 / 28 / 02
© Copyright 2002 The Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice
5 Page 
SCG2000i Step Response due to a -20ppm Freq. Step
Figure 12
200.0E+0
000.0E+0
-200.0E+0
-400.0E+0
-600.0E+0
-800.0E+0
-1.0E+3
-1.2E+3
-1.4E+3
-1.6E+3
-1.8E+3
4
4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 5.8
Time (sec)
SCG2000i 1µs Phase Transient Response
Figure 13
1.2E-6
1.0E-6
800.0E-9
600.0E-9
400.0E-9
200.0E-9
000.0E+0
www.DataSheet4U.com
-200.0E-9
4
5
6
Time (sec)
7
6
8
Data Sheet #: SG048 Page 11 of 16 Rev: P02 Date: 10 / 28 / 02
© Copyright 2002 The Connor-Winfield Corp. All Rights Reserved Specifications subject to change without notice
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet SCG2000I.PDF ] | |
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