Datasheet > 181MI01L

181MI01L

更新时间： 2022-09-11 09:14:55

品牌	Logo	应用领域
矽成 - ICSI		时钟发生器
页数	文件大小	规格书
7页	100K
描述
Low EMI Clock Generator

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181MI01L 数据手册

ICS181-01

Low EMI Clock Generator

Description

Features

The ICS181-01 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.

• Pin and function compatible to Cypress W181-01

• 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 75 MHz for Clock input

The ICS181-01 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.

• 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

ICS offers a complete line of EMI reducing clock

generators. Consult us when you need to remove

crystals and oscillators from your board.

• Available in Pb (lead) free package

• Industrial temperature range available

• Advanced, low-power CMOS process

Block Diagram

VDD

FS2:1

SS%

PLL Clock

Synthesis

and Spread

Spectrum

Circuitry

CLK

X1/CLKIN

Clock Buffer/

Crystal

Oscillator

GND

MDS 181-01 B

Revision 050405

Integrated Circuit Systemsl525 Race Street, San Jose, CA 95126 l tel (408) 297-1201 l www.icst.com

12 3 4 5 6 7

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