ICS91730 datasheet(1/12 Pages) RENESAS

Part #	ICS91730

Description	LOW EMI, SPREAD MODULATING, CLOCK GENERATOR

PDF	12 Pages

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Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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DATASHEET

LOW EMI, SPREAD MODULATING, CLOCK GENERATOR

ICS91730

IDT®

LOW EMI, SPREAD MODULATING, CLOCK GENERATOR

1

ICS91730

REV F 061611

Features/Benefits

• ICS91730 is a Spread Spectrum Clock targeted for

Mobile PC and LCD panel applications that generates an

EMI-optimized clock signal (EMI peak reduction of 7-14

dB on 3rd-19th harmonics) through use of Spread

Spectrum techniques.

• ICS91730 focuses on the lower input frequency range of

14.318 to 80.00 MHz with a spread modulation of 20kHz

to 40kHz.

Specifications

• Supply Voltages: VDD = 3.3V ±0.3V

• Frequency range: 14.318 MHz <Fin > 80 MHz

• Cyc to Cyc jitter: <150ps

• Output duty cycle 45-55%

• 0°C to +85°C operation

• 8-pin SOIC

• Reference input

Pin Configuration

Functionality

Block Diagram

CLKIN 18 PD #*

VDD 27 SC LK

GND 36 SD ATA

CLKOUT 45 REF_OU T/FS_IN1*

8 Pin SOIC

* Internal Pull-Up Resistor

FSIN_1

0

-0.8 down spread

1

-1.25 down spread

27.00MHz in --> 27.00MHz out

MHz

Spread % default

14.318 MHz in --> 27MHz out

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