342MPLF datasheet, PDF - EEWORLD Datasheet

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342MPLF: DescriptionCrystals 32.768 KHz 12.5pF PLASTIC SMD; Categorysemiconductor Analog mixed-signal IC; File Size96KB，9 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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342MPLF Overview

Crystals 32.768 KHz 12.5pF PLASTIC SMD

342MPLF Parametric

Parameter Name	Attribute value
Product Category	Clock Synthesizer / Jitter Cleaner
Manufacturer	IDT (Integrated Device Technology, Inc.)
RoHS	Details
Mounting Style	SMD/SMT
Package / Case	SOIC-8
Packaging	Tube
Height	1.5 mm
Length	4.9 mm
Factory Pack Quantity	97
Width	3.9 mm
Unit Weight	0.019048 oz

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DATASHEET

FIELD PROGRAMMABLE DUAL OUTPUT SS VERSACLOCK SYNTHESIZER

ICS342

Description

The ICS342 is a low cost, dual-output, field programmable

clock synthesizer. The ICS342 can generate two output

frequencies from 250 kHz to 200 MHz, using up to two

independently configurable PLLs. The outputs may employ

Spread Spectrum techniques to reduce system

electro-magnetic interference (EMI).

Using IDT’s VersaClock

software to configure the PLL

and output, the ICS342 contains a One-Time

Programmable (OTP) ROM to allow field programmability.

Programming features include 2 selectable configuration

registers. Using Phase-Locked Loop (PLL) techniques, the

device runs from a standard fundamental mode,

inexpensive crystal, or clock. It can replace multiple crystals

and oscillators, saving board space and cost.

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.

The ICS342 is also available in factory programmed custom

versions for high-volume applications.

Features

•

8-pin SOIC package (Pb-free)

•

Highly accurate frequency generation

•

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

•

Output clock frequencies up to 200 MHz

•

Two ROM locations for frequency and spread selection

•

Spread spectrum capability for lower system EMI

•

Center or Down Spread up to 4% total

•

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

•

Advanced, low power CMOS process

•

For one output clock, use the ICS341. For three output

clocks, see the ICS343. For more than three outputs, see

the ICS345 or ICS348.

Block Diagram

VDD

SEL

Crystal or

clock input

X1/ICLK

OTP ROM

with PLL

Divider

Values

CLK1

PLL Clock Synthesis,

Spred Spectrum and

Control Circuitry

Crystal

Oscillator

External capacitors are

required with a crystal input.

CLK2

GND

PDTS (both outputs and PLL)

IDT® / ICS™

FIELD PROGRAMMABLE DUAL OUTPUT SS VERSACLOCK SYNTHESIZER 1

ICS342

REV N 090613

342MPLF Related Products

	342MPLF	342MPLFT	342MIPLF
Description	Crystals 32.768 KHz 12.5pF PLASTIC SMD	Clock Synthesizer / Jitter Cleaner VERSACLOCK SYNTHESIZER	Clock Synthesizer / Jitter Cleaner VERSACLOCK SYNTHESIZER
Product Category	Clock Synthesizer / Jitter Cleaner	Clock Synthesizer / Jitter Cleaner	Clock Synthesizer / Jitter Cleaner
Manufacturer	IDT (Integrated Device Technology, Inc.)	IDT (Integrated Device Technology, Inc.)	IDT (Integrated Device Technology, Inc.)
RoHS	Details	Details	Details
Mounting Style	SMD/SMT	SMD/SMT	SMD/SMT
Package / Case	SOIC-8	SOIC-8	SOIC-8
Packaging	Tube	Reel	Tube
Height	1.5 mm	1.5 mm	1.5 mm
Length	4.9 mm	4.9 mm	4.9 mm
Factory Pack Quantity	97	3000	97
Width	3.9 mm	3.9 mm	3.9 mm
Unit Weight	0.019048 oz	0.019048 oz	0.019048 oz

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