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CY25811ZXC PDF预览

CY25811ZXC

更新时间: 2024-02-12 01:46:32
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 时钟发生器
页数 文件大小 规格书
11页 307K
描述
Spread Spectrum Clock Generator

CY25811ZXC 数据手册

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CY25811/12/14  
Spread Spectrum Clock Generator  
Features  
Applications  
• 4- to 32-MHz input frequency range  
• 4- to 128-MHz output frequency range  
• Accepts clock, crystal, and resonator inputs  
• 1x, 2x, and 4x frequency multiplication:  
— CY25811: 1x; CY25812: 2x; CY25814: 4x  
• Center and down spread modulation  
• Low power dissipation:  
• Printers and MFPs  
• LCD panels  
• Digital copiers  
• PDAs  
• CD-ROM, VCD, and DVD  
• Networking, LAN/WAN  
• Scanners  
— 3.3V = 52 mW-typ @ 6MHz  
• Modems  
— 3.3V = 60 mW-typ @ 12MHz  
• Embedded digital systems  
— 3.3V = 72 mW-typ @ 24MHz  
• Low cycle-to cycle jitter:  
Benefits  
• Peak EMI reduction by 8 to 16 dB  
• Fast time to market  
• Cost reduction  
— 8 MHz = 450 ps-max  
— 16 MHz = 225 ps-max  
— 32 MHz = 150 ps-max  
• Available in 8-pin SOIC and TSSOP packages  
• Commercial and industrial temperature ranges  
Block Diagram  
Pin Configuration  
300K  
REFERENCE  
DIVIDER  
PD and  
CP  
1
8pF  
LF  
XIN  
1
2
3
4
8
7
6
5
XIN/CLKIN  
VSS  
XOUT  
VDD  
8
8pF  
XOUT  
CY25811  
CY25812  
CY25814  
VCO  
COUNTE  
R
MODULATION  
CONTROL  
VCO  
FRSEL  
SSCLK  
S1  
7
2
VDD  
VSS  
INPUT  
DECODER  
LOGIC  
COUNTER  
S0  
and  
5
MUX  
SSCLK  
6
3
4
8-pin SOIC/TSSOP  
S0  
S1  
FRSEL  
Cypress Semiconductor Corporation  
3901 North First Street  
San Jose, CA 95134  
408-943-2600  
Document #: 38-07112 Rev. *E  
Revised June 03, 2004  

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