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ASM3P2187BG-08TR PDF预览

ASM3P2187BG-08TR

更新时间: 2024-11-11 06:38:11
品牌 Logo 应用领域
PULSECORE 晶体时钟发生器微控制器和处理器外围集成电路光电二极管
页数 文件大小 规格书
9页 173K
描述
Spread Spectrum Clock Generator for Mobile Applications

ASM3P2187BG-08TR 技术参数

生命周期:Transferred包装说明:GREEN, TSSOP-8
Reach Compliance Code:unknown风险等级:5.78
JESD-30 代码:R-PDSO-G8长度:4.4 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:TSSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
主时钟/晶体标称频率:20 MHz认证状态:Not Qualified
座面最大高度:1.1 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端子形式:GULL WING
端子节距:0.65 mm端子位置:DUAL
宽度:3 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

ASM3P2187BG-08TR 数据手册

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June 2006  
rev 0.1  
ASM3P2187A/B  
Spread Spectrum Clock Generator for Mobile Applications  
Features  
Product Description  
Generates a 4X EMI optimized clock signal at the  
The ASM3P2187A/B is a versatile spread spectrum  
frequency modulator designed specifically for a wide  
range of clock frequencies. The ASM3P2187A/B reduces  
electromagnetic interference (EMI) at the clock source,  
allowing system wide reduction of EMI of all clock  
dependent signals. The ASM3P2187A/B allows  
significant system cost savings by reducing the number of  
circuit board layers ferrite beads, shielding that are  
traditionally required to pass EMI regulations.  
Output.  
Input frequency : 12.5MHz to 20MHz  
Output frequency : 50MHz to 80MHz  
REFOUT is same as input frequency  
Selectable Centre Spread :  
± 0.5%, ± 1.0%  
Low power CMOS design  
3.3V ± 0.3V Operating Voltage  
Available in Industrial Temperature range  
(-40to 85°C)  
ASM3P2187A device has an option of Spread ON/OFF  
and ASM3P2187B device has Powerdown option  
Available in 8-pin TSSOP  
Drop-in replacement for MB88155-412 Device  
Applications  
The ASM3P2187A/B is targeted towards mobile phones,  
mobile audio players and PDAs.  
Block Diagram  
VDD  
SEL SSON/PDB  
PLL  
Modulation  
XIN  
Frequency  
Divider  
Crystal  
Oscillator  
ModOUT  
Output  
XOUT  
Phase  
Loop  
Filter  
VCO  
Divider  
Detector  
Feedback  
Divider  
REFOUT  
VSS  
PulseCore Semiconductor Corporation  
1715 S. Bascom Ave Suite 200, Campbell, CA 95008 Tel: 408-879-9077 Fax: 408-879-9018  
www.pulsecoresemi.com  
Notice: The information in this document is subject to change without notice.  

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