ICS411M datasheet(1/5 Pages) ICST

No de pièce	ICS411M

Description	PC PERIPHERAL CLOCK

PDF	5 Pages

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Fabricant	ICST [Integrated Circuit Systems]

Site Internet	http://www.icst.com

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ICS411

MDS 411 C

1

Revision 062005

Integrated Circuit Systems l 525 Race Street, San Jose, CA 95126 l tel (408) 297-1201 l

www.icst.com

PC PERIPHERAL CLOCK

Description

The ICS411 is a cost-effective clock synthesizer

developed to optimize component count for PC

motherboard and peripheral applications. The device

supports a common, low cost 14.31818 MHz crystal.

The device locks all output frequencies to enhance

system performance. By supporting common PC

peripheral interface frequencies including 25 MHz for

Ethernet and 24.576 MHz for audio and other

applications, the device lowers chip count enhancing

system cost and reliability.

The ICS411 utilizes a low pin count 8-pin SOIC

package to optimize board space.

ICS is a leader in low jitter and power consumer

application clock sources. These devices are capable

of supporting CCD, video, audio, USB, CPU, and other

peripherals.

Features

• Low operating voltage of 3.3 V

• Accepts 14.31818 MHz clock input to lower jitter

• Fixed dual 25 MHz clocks for Ethernet

• Fixed 24.576 MHz clock

• Power consumption of 15 mA (typ) extends battery

life

• Duty cycle of 45 to 55% (24.576M)

• Packaged in 8-pin SOIC

• Available in Pb (lead) free package

• Contact ICS for custom frequency requirements

Block Diagram

24.576M

IC L K

14.31818 M H z

PL L

25M

VD D

GND

2

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