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ASM3P2812BF-08ST PDF预览

ASM3P2812BF-08ST

更新时间： 2024-11-24 20:26:35
品牌 Logo 应用领域
安森美 - ONSEMI 时钟ISM频段光电二极管外围集成电路晶体
页数 文件大小 规格书
7页 197K
描述
80MHz, OTHER CLOCK GENERATOR, PDSO8, ROHS COMPLIANT, SOIC-8

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中文翻译

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ASM3P2812BF-08ST 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active零件包装代码：SOIC
包装说明：SOP,针数：8
Reach Compliance Code：compliantECCN代码：EAR99
HTS代码：8542.39.00.01风险等级：5.21
Is Samacsys：NJESD-30 代码：R-PDSO-G8
JESD-609代码：e3长度：4.9 mm
端子数量：8最高工作温度：70 °C
最低工作温度：最大输出时钟频率：80 MHz
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装形状：RECTANGULAR封装形式：SMALL OUTLINE
峰值回流温度（摄氏度）：NOT SPECIFIED主时钟/晶体标称频率：40 MHz
认证状态：Not Qualified座面最大高度：1.75 mm
最大供电电压：3.6 V最小供电电压：3 V
标称供电电压：3.3 V表面贴装：YES
技术：CMOS温度等级：COMMERCIAL
端子面层：TIN端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：NOT SPECIFIED宽度：3.91 mm
uPs/uCs/外围集成电路类型：CLOCK GENERATOR, OTHERBase Number Matches：1

ASM3P2812BF-08ST 数据手册

 浏览型号ASM3P2812BF-08ST的Datasheet PDF文件第2页浏览型号ASM3P2812BF-08ST的Datasheet PDF文件第3页浏览型号ASM3P2812BF-08ST的Datasheet PDF文件第4页浏览型号ASM3P2812BF-08ST的Datasheet PDF文件第5页浏览型号ASM3P2812BF-08ST的Datasheet PDF文件第6页浏览型号ASM3P2812BF-08ST的Datasheet PDF文件第7页 
ASM3P2811A/B and ASM3P2812A/B and ASM3P2814A/B  
Low Power EMI Reduction IC  
Features  
• FCC approved method of EMI attenuation  
• Provides up to 15dB EMI reduction  
combinations of spread options and percentage  
deviations. Refer to Frequency Deviation and Spread  
Selection Table. These combinations include Down and  
Center Spread, and percentage deviation range from  
• Generates a 1x, 2x and 4x low EMI spread spectrum  
clock of the input frequency  
±0.625% to -3.5%.  
o 1x: ASM3P2811A/B  
The ASM3P28XX reduces electromagnetic interference  
(EMI) at the clock source, allowing system wide reduction  
of EMI of downstream clock and data dependent signals.  
The ASM3P28XX allows significant system cost savings  
by reducing the number of circuit board layers, ferrite  
beads, shielding, and other passive components that are  
traditionally required to pass EMI regulations.  
o 2x: ASM3P2812A/B  
o 4x: ASM3P2814A/B  
• Optimized for input frequency range from 10MHz to  
40MHz  
• Internal loop filter minimizes external components  
and board space  
The ASM3P28XX modulates the output of a single PLL in  
order to “spread” the bandwidth of a synthesized clock,  
and more importantly, decreases the peak amplitudes of  
its harmonics. This results in significantly lower system  
EMI compared to the typical narrow band signal produced  
by oscillators and most frequency generators. Lowering  
EMI by increasing a signal’s bandwidth is called ‘spread  
spectrum clock generation’.  
• Selectable spread options:  
o Down Spread and Center Spread  
• 8 frequency deviation selections:  
o ±0.625% to -3.5%  
• Low inherent Cycle-to-Cycle Jitter  
• 3.3V Operating Voltage  
• CMOS/TTL compatible inputs and outputs.  
• Pin-out compatible with Cypress CY25811, CY25812  
and CY25814  
The ASM3P28XX uses the most efficient and optimized  
modulation profile approved by the FCC and is  
implemented in a proprietary all-digital method.  
• Available in 8-pin SOIC and TSSOP Packages  
Product Description  
Applications  
The ASM3P28XX devices are versatile spread spectrum  
frequency modulators designed specifically for a wide  
range of input clock frequencies from 10MHz to 40MHz.  
Refer to Input/Output Frequency Range Selection Table.  
The ASM3P28XX can generate an EMI reduced clock  
from crystal, ceramic resonator, or system clock. The  
ASM3P28XX-A and the ASM3P28XX-B offer various  
The ASM3P28XX is targeted towards EMI management  
for memory and LVDS interfaces in mobile graphic  
chipsets and high-speed digital applications such as PC  
peripheral devices, consumer electronics, and embedded  
controller systems.  
©2010 SCILLC. All rights reserved.  
OCTOBER 2010 – Rev. 2.1  
Publication Order Number:  
ASM3P2811/D  
1234567

中文翻译

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