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180M-52T 参数 Datasheet PDF下载

180M-52T图片预览
型号: 180M-52T
PDF下载: 下载PDF文件 查看货源
内容描述: [Clock Generator, 15MHz, CMOS, PDSO8, 0.150 INCH, SOIC-8]
分类和应用: 时钟光电二极管外围集成电路晶体
文件页数/大小: 7 页 / 134 K
品牌: IDT [ INTEGRATED DEVICE TECHNOLOGY ]
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DATASHEET
LOW EMI CLOCK GENERATOR
Description
The ICS180-52 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 ICS180-52 offers center spread selection of
+/-0.625% and +/-1.875%. 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.
ICS180-52
Features
Pin and function compatible to Cypress W180-52
Packaged in 8-pin SOIC
Provides a spread spectrum output clock
Accepts a clock input and provides same frequency
dithered output
Input frequency of 8 to 15 MHz
Peak reduction by 7dB - 14dB typical on 3rd - 19th
odd harmonics
Spread percentage selection for +/-0.625% and
+/-1.875%
Operating voltage of 3.3 V and 5 V
Advanced, low-power CMOS process
Block Diagram
VDD
FS1
SSON#
SS%
PLL Clock
Synthesis
and Spread
Spectrum
Circuitry
CLK
X1/CLKIN
X2
Clock Buffer/
Crystal
Oscillator
GND
IDT™ / ICS™
LOW EMI CLOCK GENERATOR
1
ICS180-52
REV A 110404