348RPLF datasheet, PDF - EEWORLD Datasheet

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348RPLF: DescriptionThick Film Resistors - SMD ZERO OHM JUMPER; Categorysemiconductor Analog mixed-signal IC; File Size149KB，9 Pages; ManufacturerIDT (Integrated Device Technology, Inc.); Websitehttp://www.idt.com/

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348RPLF Overview

Thick Film Resistors - SMD ZERO OHM JUMPER

348RPLF 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	QSOP-20
Packaging	Tube
Height	1.47 mm
Length	8.7 mm
Factory Pack Quantity	55
Width	3.8 mm
Unit Weight	0.008508 oz

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DATASHEET

QUAD PLL FIELD PROGRAMMABLE VERSACLOCK SYNTHESIZER

Description

The ICS348 field programmable clock synthesizer

generates up to 9 high-quality, high-frequency clock outputs

including multiple reference clocks from a low frequency

crystal or clock input. The ICS348 has 4 independent

on-chip PLLs and is designed to replace crystals and

crystal oscillators in most electronic systems.

Using IDT’s VersaClock software to configure PLLs and

outputs, the ICS348 contains a One-Time Programmable

(OTP) ROM to allow field programmability. Programming

features include eight selectable configuration registers, up

to two sets of four low-skew outputs.

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 ICS348 is also available in factory programmed custom

versions for high-volume applications.

ICS348

Features

•

Packaged as 20-pin SSOP (QSOP) (Pb-free)

Eight addressable registers

Replaces multiple crystals and oscillators

Output frequencies up to 200 MHz at 3.3V

Input crystal frequency of 5 to 27 MHz

Input clock frequency of 2 to 50 MHz

Up to nine reference outputs

Up to two sets of four low-skew outputs

Operating voltages of 3.3 V

Advanced, low power CMOS process

For one output clock, use the ICS341 (8-pin). For two

output clocks, use the ICS342 (8-pin). For three output

clocks, use the ICS343 (8-pin). For more than three

outputs, use the ICS345 or ICS348.

Block Diagram

V DD

S 2:S 0

O TP

ROM

w ith

P LL

V alues

P LL1

CLK1

CLK2

P LL2

P LL3

C rystal or

clock input

X 1/IC LK

C rystal

O scillator

GND

P LL4

Divide

Logic

and

Output

Enable

Control

CLK3

CLK4

CLK5

CLK6

CLK7

CLK8

CLK9

E xternal capacitors are

required w ith a crystal input.

P D TS

IDT™ / ICS™

QUAD PLL FIELD PROGRAMMABLE VERSACLOCK SYNTHESIZER 1

ICS348

REV L 051310

348RPLF Related Products

	348RPLF	348RIPLFT
Description	Thick Film Resistors - SMD ZERO OHM JUMPER	Clock Synthesizer / Jitter Cleaner VERSACLOCK SYNTHESIZER
Product Category	Clock Synthesizer / Jitter Cleaner	Clock Synthesizer / Jitter Cleaner
Manufacturer	IDT (Integrated Device Technology, Inc.)	IDT (Integrated Device Technology, Inc.)
RoHS	Details	Details
Mounting Style	SMD/SMT	SMD/SMT
Package / Case	QSOP-20	QSOP-20
Packaging	Tube	Reel
Height	1.47 mm	1.47 mm
Length	8.7 mm	8.7 mm
Factory Pack Quantity	55	3000
Width	3.8 mm	3.8 mm
Unit Weight	0.008508 oz	0.008508 oz

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