Datasheet > ICS343MP

ICS343MP

更新时间： 2024-09-26 05:39:03

品牌	Logo	应用领域
矽成 - ICSI		/
页数	文件大小	规格书
7页	150K
描述
Field Programmable Triple Output SS VersaClock Synthesizer

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ICS343MP 数据手册

ICS343

Field Programmable Triple Output SS VersaClock Synthesizer

Description

Features

The ICS343 is a low cost, triple-output, field program-

mable clock synthesizer. The ICS343 can generate

three output frequencies from 250 kHz to 200 MHz,

using up to three independently configurable PLLs.

The outputs may employ Spread Spectrum techniques

to reduce system electro-magnetic interference (EMI).

• 8-pin SOIC package

• Highly accurate frequency generation

•M/N Multiplier PLL: M = 1...2048, N = 1...1024

• Output clock frequencies up to 200 MHz

• Spread spectrum capability for lower system EMI

•Center or Down Spread up to 4% total

Using ICS’ VersaClock™software to configure the PLL

and output, the ICS343 contains a One-Time Program-

mable (OTP) ROM to allow field programmability. Using

Phase-Locked Loop (PLL) techniques, the device runs

from a standard fundamental mode, inexpensive crys-

tal, or clock. It can replace multiple crystals and oscilla-

tors, saving board space and cost.

•Selectable 32 kHz or 120 kHz modulation

• Input crystal frequency from 5 to 27 MHz

• Input clock frequency from 2 to 50 MHz

• Operating voltage of 3.3 V, using advanced, low

power CMOS process

The device also has a power down feature that

tri-states the clock outputs and turns off the PLLs when

the PDTS pin is taken low.

• For one output clock, use the ICS341. For two output

clocks, see the ICS342. For more than three outputs,

see the ICS345 or ICS348.

• Available in Pb (lead) free packaging

The ICS343 is also available in factory-programmed

custom versions for high-volume applications.

Block Diagram

VDD

OTP ROM

with PLL

Divider

CLK1

Values

PLL Clock Synthesis,

Spred Spectrum and

Control Circuitry

Crystal or

clock input

CLK2

CLK3

X1/ICLK

Crystal

Oscillator

GND

External capacitors are

PDTS (both outputs and PLL)

required with a crystal input.

MDS 343 F

Revision 090704

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

12 3 4 5 6 7

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与ICS343MP相关器件

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ICS343MPLF	IDT	获取价格	Clock Generator, 200MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8
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ICS343M-XXLF	IDT	获取价格	Clock Generator, 200MHz, CMOS, PDSO8, 0.150 INCH, ROHS COMPLIANT, SOIC-8
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ICS345	IDT	获取价格	TRIPLE PLL FIELD PROGRAMMABLE SS VERSACLOCK SYNTHESIZER
ICS345	ICSI	获取价格	Triple PLL Field Programmable SS VersaClock Synthesizer
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