Datasheet > ICS501BM

ICS501BM

更新时间： 2024-11-13 22:48:15

品牌	Logo	应用领域
矽成 - ICSI		晶体外围集成电路光电二极管时钟
页数	文件大小	规格书
6页	115K
描述
LOCO⑩ PLL CLOCK MULTIPLIER

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ICS501BM 数据手册

ICS501B

LOCO™ PLL CLOCK MULTIPLIER

Description

Features

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 20

MHz.

• Packaged as 8 pin SOIC or die

• Available in Pb (lead) free package

• ICS’ lowest cost PLL clock

• Zero ppm multiplication error

• Input crystal frequency of 5 MHz

• Input clock frequency of 5 MHz

• 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

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.

Block Diagram

VDD

S1:0

PLL Clock

Multiplier

Circuitry

and ROM

X1/ICLK

CLK

Crystal or

Clock input

Crystal

Oscillator

Optional crystal capacitors

GND

MDS 501B C

Revision 120704

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

12 3 4 5 6

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