ICS409

MDS 409 C

1

Revision 111005

www.icst.com

Description

The ICS409 is a cost-effective clock synthesizer

developed to optimize component count for PC

peripheral applications. The device supports a

common, low cost 14.31818 MHz crystal using an

on-chip crystal oscillator. The device locks all output

frequencies to enhance system performance. By

supporting common PC peripheral interface

frequencies including dual 25 MHz and 40/80 MHz

frequencies the clock lowers chip count enhancing

system cost and reliability.

The ICS409 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

Block Diagram

25M

Cr y s t a l

O s c illa t o r

X1

X2

14. 3 1818 M H z

F unda m e n t al

Cr y s t a l

PL L

25M

40/ 8 0 M

VD D

GN D

OE / L A T