PI6LC4840 datasheet(1/10 Pages) PERICOM

номер детали	PI6LC4840

подробное описание детали	Crystal to LVDS/LVCMOS Frequency Synthesizer

PDF	10 Pages

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производитель	PERICOM [Pericom Semiconductor Corporation]

домашняя страница	http://www.pericom.com

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PS9076

01/03/11

PI6LC4840

Description

The PI6LC4840 is an LC VCO based low phase noise design in-

tended for the most demanding Ethernet applications. Common

Ethernet frequencies of 25MHz and 125MHz are supported,

with the 125Mhz having both LVDS and LVCMOS outputs for

maximum flexibility. One 25Mhz LVCMOS non-PLL output is

also available.

Features

Î

3.3V supply voltage ± 5%

Î

Three banks of outputs:

à

Bank A: 3 25/50MHz pin selectable LVCMOS outputs

à

Bank B: 3 125MHz LVCMOS outputs

à

Bank C: 3 125MHz LVDS outputs

Î

1 25MHz LVCMOS reference clock output (no PLL)

Î

25MHz crystal input (SaRonix-eCera P/N FL2500029)

Î

Low 1ps max 12k-20MHz integrated phase noise design (for

125MHz CMOS and LVDS outputs)

Î

Industrial temperature -40°C to 85°C

Î

Package (Pb-free & Green)

à

32-contact 5x5mm TQFN (ZH)

Crystal to LVDS/LVCMOS Frequency Synthesizer

Block Diagram

Mode [2:0]

X1

X2

LVCMOS

- 25MHz or 50MHz

CMOS - 125MHz

LVDS 125MHz

LVCMOS - 25MHz

VDDO_QA

VDDO_QB

VDDO_QC

QA0

QA1

QA2

QB0

QB1

QB2

QC0+

QC0-

QC1+

QC1-

QC2+

QC2-

÷20

or ÷10

÷4

MR Pull-down

\M

Phase

Detector

VCO

REF_Out

SaRonix-eCera FL2500029

25MHz

3

OSC

÷4

Control

Logic

Mode_1 = Pull-up

Mode_0,2 = Pull-down

10-0249

Аналогичный номер детали - PI6LC4840

производитель	номер детали	датащи	подробное описание детали
Pericom Semiconductor C...	PI6LC4820	1Mb / 13P	HiFlex Ethernet Network Clock Generator
	PI6LC4820ZDE	1Mb / 13P	HiFlex Ethernet Network Clock Generator
	PI6LC4830	1Mb / 11P	HiFlex Network Clock Generator
	PI6LC4830ZHE	1Mb / 11P	HiFlex Network Clock Generator
	PI6LC4833	1,018Kb / 13P	Clock Generator for Power PC

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Аналогичное описание - PI6LC4840

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Integrated Circuit Syst...	ICS844004I-04	202Kb / 13P	FEMTOCLOCKS??CRYSTAL/LVCMOS-TO-LVDS FREQUENCY SYNTHESIZER REV. A JANUARY 26, 2006
Integrated Device Techn...	ICS844020-45	608Kb / 13P	FEMTOCLOCK??CRYSTAL-TO-LVDS/LVCMOS FREQUENCY SYNTHESIZER
	844S012	215Kb / 24P	Crystal-to-LVDS/LVCMOS Frequency Synthesizer
	8440259D-05	258Kb / 16P	FemtoClock NG Crystal/LVCMOS-to-LVDS/LVCMOS Frequency Synthesizer
	ICS8440259D-45	188Kb / 18P	FEMTOCLOCK CRYSTAL/LVCMOS-TO LVDS LVCMOS FREQUENCY SYNTHESIZER
	ICS8440259I-45	929Kb / 20P	FemtoClock Crystal/LVCMOS-to- LVDS/LVCMOS Frequency Synthesizer
Renesas Technology Corp	844S012I-01	578Kb / 25P	Crystal-to-LVDS/LVCMOS Frequency Synthesizer January 5, 2016
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	ICS8440258-46	472Kb / 24P	FemtoClock® Crystal/LVCMOS-to- LVDS/LVCMOS Frequency Synthesizer 2019
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