ICS663 datasheet(1/8 Pages) IDT

Part #	ICS663

Description	PLL BUILDING BLOCK Phase detector and VCO blocks can be used Lower power CMOS process

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DATASHEET

PLL BUILDING BLOCK

ICS663

IDT™ / ICS™ PLL BUILDING BLOCK

1

ICS663

REV E 012006

Description

The ICS663 is a low cost Phase-Locked Loop (PLL)

designed for clock synthesis and synchronization. Included

on the chip are the phase detector, charge pump, Voltage

Controlled Oscillator (VCO) and an output buffer. Through

the use of external reference and VCO dividers

(implemented with the ICS674-01, for example), the user

can easily configure the device to lock to a wide variety of

input frequencies.

The phase detector and VCO functions of the device can

also be used independently. This enables the configuration

of other PLL circuits. For example, the ICS663 phase

detector can be used to control a VCXO circuit such as the

MK3754.

For applications requiring Power Down or Output Enable

features, please refer to the ICS673-01.

Features

• Packaged in 8-pin SOIC (Pb free)

• Output clock range 1 MHz to 100 MHz (3.3 V), 1 MHz to

120 MHz (5 V)

• External PLL loop filter enables configuration for a wide

range of input frequencies

• Ability to accept an input clock in the kHz range (video

Hsync, for example)

• 25 mA output drive capability at TTL levels

• Lower power CMOS process

• +3.3 V ±5% or +5 V ±10% operating voltage

• Used along with the ICS674-01, forms a complete PLL

circuit

• Phase detector and VCO blocks can be used

independently for other PLL configurations

• Industrial temperature version available

• For better jitter performance, use the MK1575

Block Diagram

REF IN

Ph ase /

Frequency

De tecto r

VCO

4

2

SEL

LFR

LF

UP

FB IN

DO W N

I

cp

I

cp

CL K

VDD

MU X

1

0

E xternal F eedback D ivider

(such as the IC S 674-01)

C lock Input

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ICS663 Datasheet(PDF) 1 Page - Integrated Device Technology

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