參數(shù)資料
型號: ICS4231M-03LFT
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 1/7頁
文件大小: 0K
描述: IC CLOCK GENERATOR LOW EMI 8SOIC
標(biāo)準(zhǔn)包裝: 2,500
類型: 時鐘/頻率合成器,擴展頻譜時鐘發(fā)生器
PLL:
輸入: 時鐘,晶體
輸出: LVCMOS
電路數(shù): 1
比率 - 輸入:輸出: 1:1
差分 - 輸入:輸出: 無/無
頻率 - 最大: 33MHz
除法器/乘法器: 無/無
電源電壓: 4.5 V ~ 5.5 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 8-SOIC(0.154",3.90mm 寬)
供應(yīng)商設(shè)備封裝: 8-SOIC
包裝: 帶卷 (TR)
其它名稱: 4231M-03LFT
DATASHEET
LOW EMI CLOCK GENERATOR
ICS4231-03
IDT / ICS LOW EMI CLOCK GENERATOR
1
ICS4231-03
REV C 051310
Description
The ICS4231-03 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 ICS4231-03 offers four different center and down
spread selections. 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 W42C31-03
Packaged in 8-pin SOIC (Pb free)
Provides a spread spectrum output clock
Accepts a clock or crystal input and provides same
frequency dithered output
Input clock frequency of 10 to 33 MHz
Peak reduction by 8dB - 14dB typical on 3rd - 19th
odd harmonics
Spread percentage selections of ±1.875%, ±1.0%,
and -2.0%
Operating voltage of 5V
Advanced, low-power CMOS process
Block Diagram
PLL Clock
Synthesis
and Spread
Spectrum
Circuitry
OE#
CLK
GND
VDD
FS1:0
X1/CLKIN
X2
Clock Buffer/
Crystal
Oscillator
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