ICS421-05 datasheet(1/5 Pages) ICST

Part #	ICS421-05

Description	DIGITAL VIDEO CAMERA CLOCK

PDF	5 Pages

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Manufacturer	ICST [Integrated Circuit Systems]

Direct Link	http://www.icst.com

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ICS421-05

MDS 421-05 B

1

Revision 072304

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

www.icst.com

DIGITAL VIDEO CAMERA CLOCK

Description

The ICS421-05 is a low-power, low-jitter clock

synthesizer developed for digital camera applications.

The device accepts a 27 MHz input clock to support

common digital video camera interface frequencies

including a 12 MHz for USB, 24.576 MHz for

IEEE1394, and a 72 MHz CCD clock. Power

consumption was minimized by lowering the voltage

requirement to 1.8 V minimum.

The ICS421-05 utilizes a small form factor 8-pin

TSSOP package.

ICS is a leader in low power, consumer application

clock sources. Devices are capable of supporting CCD,

video, audio, USB, CPU, and other peripherals.

Features

• Ultra-low operating voltage from 1.8 V to 2.4 V

• 10 mA supply current

• 27 MHz input clock frequency

• Fixed 24.576 MHz clock supports IEEE1394

• Fixed 12 MHz clock supports USB

• Fixed 72 MHz CCD clock

• Packaged in 8-pin TSSOP (Pb free)

Block Diagram

Clock

Buffer

CLKIN

27 MHz

Input Clock

IEEE

PLL

12M

24.576M

VDD

GND

CCD/

USB

PLL

72M

OE_USB

1

2

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