ICS180M-03LFT IDT, Integrated Device Technology Inc, ICS180M-03LFT Datasheet

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ICS180M-03LFT

Manufacturer Part Number
ICS180M-03LFT
Description
IC CLOCK GEN LOW EMI 8-SOIC
Manufacturer
IDT, Integrated Device Technology Inc
Type
Spread Spectrum Clock Generatorr
Datasheet

Specifications of ICS180M-03LFT

Pll
Yes
Input
Clock, Crystal
Output
CMOS
Number Of Circuits
1
Ratio - Input:output
1:1
Differential - Input:output
No/No
Frequency - Max
28MHz
Divider/multiplier
No/No
Voltage - Supply
3.135 V ~ 5.5 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC
Frequency-max
28MHz
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
180M-03LFT
LOW EMI CLOCK GENERATOR
IDT™ / ICS™ LOW EMI CLOCK GENERATOR
Description
The ICS180-03 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 ICS180-03 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.
Block Diagram
X1/CLKIN
X2
SSON#
SS%
FS1
Clock Buffer/
Oscillator
Crystal
1
GND
Features
VDD
and Spread
Pin and function compatible to Cypress W180-03
Packaged in 8-pin SOIC
Provides a spread spectrum output clock
Accepts a clock input and provides same frequency
dithered output
Input frequency of 15 to 28 MHz
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
PLL Clock
Synthesis
Spectrum
Circuitry
CLK
ICS180-03
DATASHEET
ICS180-03
REV B 081009

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ICS180M-03LFT Summary of contents

Page 1

LOW EMI CLOCK GENERATOR Description The ICS180-03 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 ...

Page 2

ICS180-03 LOW EMI CLOCK GENERATOR Pin Assignment X1/CLKIN GND 3 SS% 4 8-pin (150 mil) SOIC Pin Descriptions Pin Pin Pin Type Number Name 1 X1/CLKIN Input 2 X2 Output 3 GND Power 4 SS% Input 5 ...

Page 3

ICS180-03 LOW EMI CLOCK GENERATOR External Components The ICS180-03 requires a minimum number of external components for proper operation. Decoupling Capacitor A decoupling capacitor of 0.01µF must be connected between VDD and GND on pins 6 and 3, as close ...

Page 4

ICS180-03 LOW EMI CLOCK GENERATOR DC Electrical Characteristics Unless stated otherwise, VDD = 3.3 V Parameter Operating Voltage Supply Current Input High Voltage Input Low Voltage Output High Voltage Output High Voltage Output Low Voltage Input Capacitance Output Impedance Input ...

Page 5

ICS180-03 LOW EMI CLOCK GENERATOR AC Electrical Characteristics Unless stated otherwise, VDD = 3.3 V± V±10%, Ambient Temperature Parameter Input/Output Frequency Input Clock Duty Cycle Output Clock Duty Cycle Output Rise Time Output ...

Page 6

ICS180-03 LOW EMI CLOCK GENERATOR Package Outline and Package Dimensions Package dimensions are kept current with JEDEC Publication No INDEX AREA Ordering Information Part / Order Number 180M-03LF 180M-03LFT LF denotes Pb free packaging. ...

Page 7

ICS180-03 LOW EMI CLOCK GENERATOR Innovate with IDT and accelerate your future networks. Contact: www.IDT.com For Sales 800-345-7015 408-284-8200 Fax: 408-284-2775 Corporate Headquarters Integrated Device Technology, Inc. www.idt.com © 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject ...

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