Datasheet > ICS512MT

ICS512MT

更新时间： 2024-11-05 22:48:19

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
4页	50K
描述
LOCO⑩ PLL Clock Multiplier

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ICS512MT 数据手册

ICS512

LOCO™ PLL Clock Multiplier

Description

Features

• Packaged as 8 pin SOIC or die

The ICS512 LOCO™ is the most cost effective

way to generate a high quality, high frequency

clock output and a reference clock 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 200 MHz. With a reference output,

this chip plus an inexpensive crystal can replace two

oscillators.

• Upgrade of popular ICS502 with:

- changed multiplier table

- higher operating frequencies

• Zero ppm multiplication error

• Easy to cascade with other 5xx series

• Input crystal frequency of 5 - 27 MHz

• Input clock frequency of 2 - 50 MHz

• Output clock frequencies up to 200 MHz

• Compatible with all popular CPUs

• Duty cycle of 45/55 up to 200 MHz

• Mask option for 9 selectable frequencies

• Operating voltages of 3.0 to 5.5V

• Industrial temperature version available

• Advanced, low power CMOS process

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

nine different popular multiplication factors,

allowing one chip to output many common

frequencies (see page 2).

Block Diagram

VDD GND

Output

Buffer

S1, S0

PLL

Clock

CLK

Synthesis

and Control

Circuitry

Crystal or

clock input

X1/ICLK

Crystal

Oscillator

Output

Buffer

REF

Optional crystal capacitors

MDS 512 C

Revision 061900

Printed 11/13/00

Integrated Circuit Systems, Inc. • 525 Race Street • San Jose •CA•95126•(408) 295-9800tel • www.icst.com

12 3 4

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