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FS792

更新时间: 2024-11-07 03:37:55
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 时钟
页数 文件大小 规格书
9页 138K
描述
Low EMI Spectrum Spread Clock

FS792 数据手册

 浏览型号FS792的Datasheet PDF文件第2页浏览型号FS792的Datasheet PDF文件第3页浏览型号FS792的Datasheet PDF文件第4页浏览型号FS792的Datasheet PDF文件第5页浏览型号FS792的Datasheet PDF文件第6页浏览型号FS792的Datasheet PDF文件第7页 
92/94  
FS791/92/94  
Low EMI Spectrum Spread Clock  
Features  
Applications  
• Spread Spectrum Clock Generator (SSCG) with 1x, 2x  
and 4x outputs  
• 80- to 140-MHz operating frequency range  
• Modulates external clocks including crystals, crystal  
oscillators, and ceramic resonators  
• Programmable modulation with simple R-C external  
loop filter (LF)  
• Center spread modulation  
• 3–5 Volt power supply  
• TTL/CMOS compatible outputs  
• Low short-term jitter  
• Low Power Dissipation;  
— 3.3 VDC = 73 mW—typical  
• Desktop/Notebook computers  
• VGA, XGA, and SXGA LCD displays  
• High-speed printers and copiers  
• CD-ROM, VCD, and DVD  
• Embedded systems  
• Networking, LAN/WAN  
• Modems  
Benefits  
• Programmable EMI reduction  
• Fast time-to-market  
• Lower cost of compliance  
• No degradation in Rise/Fall time  
• Lower component and PCB layer count  
— 5.0 VDC = 225 mW—typical  
• Available in 8-pin SOIC package  
.
Pin Configuration  
Block Diagram  
4
Loop Filter  
Xin  
Xin  
Xout  
S1  
1
2
3
4
8
7
6
5
VDD  
S0  
Reference  
1
Divider  
Phase  
Detector  
10 pF.  
FS79x  
VCO  
10 pF.  
FSOUT  
VSS  
Modulation  
Control  
Xout  
2
LF  
10 pF.  
VCO / N  
VDD  
8
FSOUT  
6
Counter  
and  
Mux  
Power Contol  
Logic  
Input Control  
5
3
7
VSS  
S1  
S0  
Cypress Semiconductor Corporation  
Document #: 38-07343 Rev *A  
3901 North First Street  
San Jose  
CA 95134  
408-943-2600  
Revised December 28, 2002  

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