670M-03ILF datasheet(1/7 Pages) IDT

Part #	670M-03ILF

Description	LOW PHASE NOISE ZERO DELAY BUFFER AND MULTIPLIER

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Manufacturer	IDT [Integrated Device Technology]

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DATASHEET

LOW PHASE NOISE ZERO DELAY BUFFER AND MULTIPLIER

ICS670-03

IDT™ / ICS™ LOW PHASE NOISE ZERO DELAY BUFFER AND MULTIPLIER 1

ICS670-03

REV J 051310

Description

The ICS670-03 is a high speed, low phase noise, Zero

Delay Buffer (ZDB) which integrates IDT’s proprietary

analog/digital Phase Locked Loop (PLL) techniques. It is

identical to the ICS670-01, but with an increased maximum

output frequency of 210 MHz. Part of IDT’s ClockBlocksTM

family, the part’s zero delay feature means that the rising

edge of the input clock aligns with the rising edges of the

outputs giving the appearance of no delay through the

device. There are two identical outputs on the chip. The

FBCLK should be used to connect to the FBIN. Each output

has its own output enable pin.

The ICS670-03 is ideal for synchronizing outputs in a large

variety of systems, from personal computers to data

communications to video. By allowing off-chip feedback

paths, the ICS670-03 can eliminate the delay through other

devices. The 15 different on-chip multipliers work in a

variety of applications. For other multipliers, including

functional multipliers, see the ICS527.

Features

• Packaged in 16-pin SOIC

• Pb (lead) free package, RoHS compliant

• Clock inputs from 5 to 210 MHz (see page 2)

• Patented PLL with low phase noise

• Output clocks up to 210 MHz at 3.3V

• 15 selectable on-chip multipliers

• Power down mode available

• Low phase noise: -124 dBc/Hz at 10 kHz

• Output enable function tri-states outputs

• Low jitter 15 ps one sigma

• Advanced, low power, sub-micron CMOS process

• Industrial temperature rated

• Operating voltage of 3.3 V or 5 V

Block Diagram

Divide by

N

Voltage

Controlled

Oscillator

FB C L K

OE 1

Phase

Detector,

Charge

Pump, and

Loop Filter

FB I N

S3 :S 0

IC L K

CL K2

4

OE 2

VDD

3

GND

3

E x te rn al Fe ed ba ck f r om FB C L K is r e com m e nd ed .

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670M-03ILF Datasheet(PDF) 1 Page - Integrated Device Technology

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