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SCG2500G5-001.544M PDF预览

SCG2500G5-001.544M

更新时间: 2023-08-15 00:00:00
品牌 Logo 应用领域
CONNOR-WINFIELD /
页数 文件大小 规格书
10页 164K
描述
Support Circuit, 1-Func, 0.780 X 0.830 INCH, 0.350 INCH HEIGHT, DIL-14

SCG2500G5-001.544M 数据手册

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SCG2500G5  
Synchronous Clock  
Generators  
2111 Comprehensive Drive  
Aurora, Illinois 60505  
Phone: 630-851-4722  
Fax: 630- 851-5040  
www.conwin.com  
General Description  
Features  
The SCG2500G5 is a mixed-signal phase lock loop  
generating CMOS outputs from an intrinsically low jitter  
Phase Locked Output  
Frequency Control  
voltage controlled crystal oscillator.  
Intrinsically Low Jitter Crystal  
Oscillator  
The SCG2500G5 can lock to one of two possible  
input reference frequencies at 8 kHz which is selectable  
using one input select pin.  
Two Selectable References @ 8  
kHz  
Further features include an alarm output to indicate  
Loss of Reference, LOR, or Loss of Lock, LOL. If only  
one of the references is lost, the unit will disable its  
phase detector and will signal an alarm, but will not  
switch reference automatically. If both references are  
lost, the SCG2500G5 will enter a Free Run state which  
will guarantee a 20 ppm accurate output. Additionally,  
the Free Run mode may be entered manually by  
applying a high signal to the Force Free Run pin. If the  
unit is in Free Run mode, the Free Run status pin will be  
high.  
All outputs, except the Oscillator Output, may be put  
into the tri-state high impedance condition for external  
testing purposes by applying a high signal to the Reset/  
Tri-State pin.  
The filtered 8 kHz is derived from the oscillator  
output. The offset between the filtered output and the  
reference input will change with each reference  
rearrangement.  
Alarm Output  
Tri-Statable Alarm Outputs and  
Reference Output  
Force Free Run Function  
Automatic Free Run Operation  
upon loss of both references  
Input Duty Cycle Tolerant  
3.3 Volt Power Supply  
Small Size: 0.78” x 0.83” x 0.35”  
maximum  
Surface Mount, DIL Package  
ROHS-5 Compliant  
The package maximum dimensions are .780” x .830”  
x .35” on a six layer FR4 board with surface mount pins.  
Parts are assembled using high temperature solder to  
withstand surface mount reflow process.  
US Headquarters:  
630-851-4722  
European Headquarters:  
+353-61-472221  
This product is ROHS-5 compliant. ROHS-5 indicates  
that this product is ROHS compliant except for lead from  
those manufacturers wishing to take the lead exemption.  

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