ICS501BMLFT datasheet, PDF - EEWORLD Datasheet

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ICS501BMLFT: DescriptionLOCO PLL CLOCK MULTIPLIER; File Size119KB，7 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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ICS501BMLFT Overview

LOCO PLL CLOCK MULTIPLIER

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LOCO™ PLL CLOCK MULTIPLIER

Description

The ICS501B LOCO

is the most cost effective way to

generate a high-quality clock output from a lower

frequency crystal or clock input. The name LOCO

stands for Low Cost Oscillator, as it is designed to

replace crystal oscillators in most electronic systems.

Using Phase-Locked Loop (PLL) techniques, the

device uses a standard fundamental mode,

inexpensive crystal to produce output clocks up to 15

MHz.

Stored in the chip’s ROM is the ability to generate nine

different multiplication factors, allowing one chip to

output many common frequencies (see table on page

2).

The device also has an output enable pin which

tri-states the clock output when the OE pin is taken low.

This product is intended for clock generation. It has low

output jitter (variation in the output period), but input to

output skew and jitter are not defined or guaranteed.

For applications which require defined input to output

skew, use the ICS570B.

ICS501B

Features

•

Packaged as 8 pin SOIC or die

Available in Pb (lead) free package

IDT’s lowest cost PLL clock

Zero ppm multiplication error

Output clock frequencies up to 15 MHz

Extremely low jitter of 25 ps (one sigma)

Compatible with popular CPUs

Duty cycle of 45/55 up to 20 MHz

Nine selectable frequencies

Operating voltage of 3.3 V or 5.5 V

Tri-state output for board level testing

25 mA drive capability at TTL levels

Ideal for oscillator replacement

Industrial temperature version available

Advanced, low-power CMOS process

Block Diagram

VDD

S1:0

X1/ICLK

Crystal or

Clock input

Crystal

Oscillator

PLL Clock

Multiplier

Circuitry

and ROM

CLK

Optional crystal capacitors

GND

IDT™ / ICS™

LOCO™ PLL CLOCK MULTIPLIER

ICS501B

REV D 120307

ICS501BMLFT Related Products

	ICS501BMLFT	ICS501BM	ICS501BMT	ICS501BMI	ICS501BMLF	ICS501BMIT	ICS501-DWF	ICS501-DPK
Description	LOCO PLL CLOCK MULTIPLIER	LOCO PLL CLOCK MULTIPLIER	LOCO PLL CLOCK MULTIPLIER	LOCO PLL CLOCK MULTIPLIER	LOCO PLL CLOCK MULTIPLIER	LOCO PLL CLOCK MULTIPLIER	LOCO PLL CLOCK MULTIPLIER	LOCO PLL CLOCK MULTIPLIER

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