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FMS7209MEA PDF预览

FMS7209MEA

更新时间: 2024-11-20 21:12:55
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD 时钟光电二极管外围集成电路晶体
页数 文件大小 规格书
19页 75K
描述
Processor Specific Clock Generator, 166MHz, CMOS, PDSO48, SSOP-48

FMS7209MEA 技术参数

生命周期:Obsolete零件包装代码:SSOP
包装说明:SSOP-48针数:48
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.84
JESD-30 代码:R-PDSO-G48长度:15.875 mm
端子数量:48最高工作温度:70 °C
最低工作温度:最大输出时钟频率:166 MHz
封装主体材料:PLASTIC/EPOXY封装代码:SSOP
封装形状:RECTANGULAR封装形式:SMALL OUTLINE, SHRINK PITCH
主时钟/晶体标称频率:14.318 MHz认证状态:Not Qualified
座面最大高度:2.794 mm最大供电电压:3.465 V
最小供电电压:3.135 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:0.635 mm端子位置:DUAL
宽度:7.5 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, PROCESSOR SPECIFIC
Base Number Matches:1

FMS7209MEA 数据手册

 浏览型号FMS7209MEA的Datasheet PDF文件第2页浏览型号FMS7209MEA的Datasheet PDF文件第3页浏览型号FMS7209MEA的Datasheet PDF文件第4页浏览型号FMS7209MEA的Datasheet PDF文件第5页浏览型号FMS7209MEA的Datasheet PDF文件第6页浏览型号FMS7209MEA的Datasheet PDF文件第7页 
www.fairchildsemi.com  
FMS7209  
Spread Spectrum Clock for Motherboards  
Features  
Description  
• Employs Fairchild’s proprietary Spread Spectrum  
Technology  
The FMS7209 is a clock synthesizer for motherboard appli-  
cations. The clock frequencies can be set with the 5 select  
pins or be set via the I2C interface.  
• Reduces measured EMI by as much as 10dB  
• Supports up to 200 MHz  
• I2C programmable  
• Two skew-controlled copies of the CPU clock  
• Two copies of 3V66 clock  
• One copy of selectable 24 or 48 MHz clock  
• Two copies 48MHz clock  
• One copy IOAPIC  
• One copy REF 14.318MHz clock (3.3V)  
• Eight copies PCI clock  
• Nine copies of SDRAM clock  
• Power down capability  
Block Diagram  
X1  
XTAL  
REF2x/FS3  
CPU (0:1)  
OSC.  
X2  
PLL 1  
Spread  
IOAPIC  
Spectrum  
C
3V66 (0:1)  
o
n
t
PCI_0/FS0  
r
PD#  
o
l
PCI_1/FS1  
PCI_2/FS2  
L
o
g
PLL 2  
USB  
PCI_3/IOAPIC_SEL  
i
c
PCI (4:7)  
SDRAM (0:8)  
SCL  
SDA  
I2C  
Register  
48 MHz_0  
48 MHz_1/FS4  
SIO/24_48 MHz  
REV. 0.7 11/5/99  

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