参数资料
型号: ICS181MI-02LF
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/7页
文件大小: 0K
描述: IC CLOCK GEN LOW EMI 8-SOIC
产品培训模块: Spread Spectrum
标准包装: 97
类型: 扩展频谱时钟发生器
PLL:
输入: 时钟,晶体
输出: CMOS
电路数: 1
比率 - 输入:输出: 1:1
差分 - 输入:输出: 无/无
频率 - 最大: 48MHz
除法器/乘法器: 无/无
电源电压: 3.135 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 管件
其它名称: 181MI-02LF
800-1016
800-1016-5
800-1016-ND
DATASHEET
LOW EMI CLOCK GENERATOR
ICS181-02
IDT / ICS LOW EMI CLOCK GENERATOR
1
ICS181-02
REV C 051310
Description
The ICS181-02 generates a low EMI output clock from
a clock or crystal input. The device uses IDT’s
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.
IDT 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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