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MK3235-02S PDF预览

MK3235-02S

更新时间: 2024-02-17 17:50:57
品牌 Logo 应用领域
矽成 - ICSI 晶体外围集成电路光电二极管时钟
页数 文件大小 规格书
4页 71K
描述
Handheld System Clock Synthesizer

MK3235-02S 技术参数

是否Rohs认证:符合生命周期:Obsolete
零件包装代码:SOIC包装说明:SOIC-16
针数:16Reach Compliance Code:compliant
ECCN代码:EAR99HTS代码:8542.39.00.01
风险等级:5.52Is Samacsys:N
JESD-30 代码:R-PDSO-G16JESD-609代码:e3
长度:9.9 mm端子数量:16
最高工作温度:70 °C最低工作温度:
最大输出时钟频率:14.3 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):260
主时钟/晶体标称频率:0.032768 MHz认证状态:Not Qualified
座面最大高度:1.75 mm最大供电电压:5.5 V
最小供电电压:3 V标称供电电压:5 V
表面贴装:YES技术:CMOS
温度等级:COMMERCIAL端子面层:MATTE 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:40
宽度:3.9 mmuPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHER
Base Number Matches:1

MK3235-02S 数据手册

 浏览型号MK3235-02S的Datasheet PDF文件第2页浏览型号MK3235-02S的Datasheet PDF文件第3页浏览型号MK3235-02S的Datasheet PDF文件第4页 
MK3235  
Handheld System Clock Synthesizer  
ICR O CLOC K  
Description  
Features  
• Input crystal frequency of 32.768 kHz  
• Lowest power solution available  
The MK3235 is the smallest size, lowest power system  
clock synthesizer available. It is the ideal way to  
generate clocks for handheld computers, such as PDAs,  
PICs, and other devices where low power is required.  
Using analog Phase-Locked Loop (PLL) techniques,  
the device operates from a single 32.768 kHz crystal to  
produce the 32.768kHz, 14.318MHz, and serial  
communications output clocks.  
• Lowest profile clock solution where height is critical  
• Three output clocks  
• 3.3V or 5.0V operation  
• Duty cycle of 45/55  
The device has three power down modes for the  
14.3MHz, communications, and 32.768kHz clocks.  
• 14.3MHz or 14.3MHz+Comm clock power downs  
• Separate battery supply pin for 32 kHz runs to 2V  
• IDD less than 4µA when 32 kHz running  
• Packaged in 16 pin narrow SOIC  
The MK3235 can save board space and cost even if it  
only replaces the 32kHz oscillator circuitry and one  
additional surface mount crystal or oscillator. The  
extremely low IDD, the ease of surface mounting, and  
the power down capability are added benefits in using  
the part.  
Block Diagram  
VDD GND  
14.318MHz  
PD14  
Output  
Buffer  
Clock Synthesis  
and Control  
Circuitry  
14.3 MHz  
PDCOMM  
PD  
Communications  
Clock Synthesis  
and Control  
Output  
Buffer  
1.843 or  
3.686 MHz  
VDD32  
Circuitry  
32.768 kHz  
crystal  
X1  
Crystal  
Oscillator  
Output  
Buffer  
32.768 kHz  
X2  
MDS 3235 D  
1
Revision 092397  
Printed 11/16/00  
Integrated Circuit Systems, Inc.•525 Race Street•San Jose•CA•95126•(408)295-9800tel•www.icst.com  

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