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W166G PDF预览

W166G

更新时间: 2024-11-21 21:16:11
品牌 Logo 应用领域
赛普拉斯 - CYPRESS 光电二极管
页数 文件大小 规格书
7页 130K
描述
PLL Frequency Synthesizer, CMOS, PDSO8, 0.150 INCH, PLASTIC, SOIC-8

W166G 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:SOIC包装说明:0.150 INCH, PLASTIC, SOIC-8
针数:8Reach Compliance Code:not_compliant
HTS代码:8542.39.00.01风险等级:5.61
Is Samacsys:N模拟集成电路 - 其他类型:PLL FREQUENCY SYNTHESIZER
JESD-30 代码:R-PDSO-G8JESD-609代码:e0
长度:4.9 mm功能数量:1
端子数量:8最高工作温度:70 °C
最低工作温度:封装主体材料:PLASTIC/EPOXY
封装代码:SOP封装形状:RECTANGULAR
封装形式:SMALL OUTLINE认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压 (Vsup):3.5 V
最小供电电压 (Vsup):3.135 V标称供电电压 (Vsup):3.3 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:Tin/Lead (Sn/Pb)
端子形式:GULL WING端子节距:1.27 mm
端子位置:DUAL宽度:3.9 mm
Base Number Matches:1

W166G 数据手册

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W166  
Spread Spectrum Frequency Timing Generator  
is greatly reduced. Use of this technology allows systems to  
pass increasingly difficult EMI testing without resorting to cost-  
ly shielding or redesign.  
Features  
• Maximized EMI suppression using Cypress’s Spread  
Spectrum technology  
• Generates a spread spectrum copy of the provided  
input  
• Selectable spreading characteristics  
• Integrated loop filter components  
• Operates with a 3.3V or 5V supply  
• SSON# pin enables frequency spreading  
• Low power CMOS design  
In a system, not only is EMI reduced in the various clock lines,  
but also in all signals which are synchronized to the clock.  
Therefore, the benefits of using this technology increase with  
the number of address and data lines in the system. The Sim-  
plified Block Diagram shows a simple implementation.  
Table 1. Frequency Spread Selection  
W166  
Input  
Frequency  
(MHz)  
Output  
• Available in 8-pin SOIC (Small Outline Integrated  
Circuit)  
FS1  
0
FS0  
0
Frequency (MHz)  
50 to 65  
50 to 65  
50 to 65  
50 to 65  
f
f
f
f
±0.625%  
±1.25%  
±2.5%  
IN  
IN  
IN  
IN  
Overview  
0
1
The W166 incorporates the latest advances in PLL spread  
spectrum frequency synthesizer techniques. By frequency  
modulating the output with a low-frequency carrier, peak EMI  
1
0
1
1
–3.75%  
Simplified Block Diagram  
Pin Configuration  
3.3V or 5V  
CLKIN  
NC  
SSON#  
CLKOUT  
FS0  
1
2
3
4
8
7
6
5
GND  
FS1  
VDD  
Oscillator or Reference  
Input  
Spread Spectrum  
Output  
W166  
(EMI suppressed)  
Cypress Semiconductor Corporation  
3901 North First Street  
San Jose  
CA 95134  
408-943-2600  
February 1999, rev. 1.0  

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