參數(shù)資料
型號: 181M-02
英文描述: Low EMI Clock Generator
中文描述: 低EMI時(shí)鐘發(fā)生器
文件頁數(shù): 1/6頁
文件大?。?/td> 94K
代理商: 181M-02
ICS181-02
Low EMI Clock Generator
MDS 181-02 A
1
Revision 110404
Integrated Circuit Systems
l
525 Race Street, San Jose, CA 95126
l
tel (408) 297-1201
l
www.icst.com
Description
The ICS181-02 generates a low EMI output clock from
a clock or crystal input. The device uses ICS’
proprietary mix of analog and digital Phase-Locked
Loop (PLL) technology to spread the frequency
spectrum of the output, thereby reducing the frequency
amplitude peaks by several dB.
The ICS181-02 offers down spread selection of -1.25%
and -3.75%. Refer to the MK1714-01/02 for the widest
selection of input frequencies and multipliers.
ICS offers a complete line of EMI reducing clock
generators. Consult us when you need to remove
crystals and oscillators from your board.
Features
Pin and function compatible to Cypress W181-02
Packaged in 8-pin SOIC
Provides a spread spectrum output clock
Accepts a clock input and provides same frequency
dithered output
Input frequency of 28 to 48 MHz for Clock input
Peak reduction by 7dB - 14dB typical on 3rd - 19th
odd harmonics
Spread percentage selection for -1.25% and -3.75%
Operating voltage of 3.3 V and 5 V
Advanced, low-power CMOS process
Block Diagram
PLL Clock
Synthesis
and Spread
Spectrum
Circuitry
SS%
CLK
GND
VDD
SSON#
X1/CLKIN
X2
Clock Buffer/
Crystal
Oscillator
FS1
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
181M02LF 制造商:ICS 制造商全稱:ICS 功能描述:Low EMI Clock Generator
181M-02LF 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 LOW EMI CLOCK GENERATOR RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
181M-02LFT 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 LOW EMI CLOCK GENERATOR RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
181M-03LF 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 LOW EMI CLOCK GENERATOR RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56
181M-03LFT 功能描述:時(shí)鐘發(fā)生器及支持產(chǎn)品 LOW EMI CLOCK GENERATOR RoHS:否 制造商:Silicon Labs 類型:Clock Generators 最大輸入頻率:14.318 MHz 最大輸出頻率:166 MHz 輸出端數(shù)量:16 占空比 - 最大:55 % 工作電源電壓:3.3 V 工作電源電流:1 mA 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-56