Datasheet > 844246AMLFT

844246AMLFT

更新时间： 2024-11-04 20:58:23

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
13页	185K
描述
Clock Generator

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中文翻译

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技术参数
数据手册

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844246AMLFT 技术参数

是否Rohs认证：	符合	生命周期：	Obsolete
包装说明：	,	Reach Compliance Code：	compliant
风险等级：	5.84	Base Number Matches：	1

844246AMLFT 数据手册

PRELIMINARY

ICS844246

Integrated

Circuit

Systems, Inc.

FEMTOCLOCKS™ C RYSTAL-TO-LVDS

FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER

GENERAL DESCRIPTION

FEATURES

The ICS844246 is a Crystal-to-LVDS Clock • Six LVDS outputs

ICS

HiPerClockS™

Synthesizer/Fanout Buffer designed for Fibre

• Crystal oscillator interface

Channel and Gigabit Ethernet applications and

is a member of the HiperClockS™ family of

High Performance Clock Solutions from ICS.

• Output frequency range: 53.125MHz to 333.3333MHz

• Crystal input frequency range: 25MHz to 33.333MHz

The output frequency can be set using the frequency

select pins and a 25MHz crystal for Ethernet fre-

quencies, or a 26.5625MHz crystal for a Fibre Channel.

The low phase noise characteristics of the ICS844246

make it an ideal clock for these demanding applications.

• RMS phase jitter at 125MHz, using a 25MHz crystal

(1.875MHz to 20MHz): 0.39ps (typical)

• Full 3.3V or 3.3V core, 2.5V output supply mode

• 0°C to 70°C ambient operating temperature

• Industrial temperature information available upon request

• Available in both standard and lead-free RoHS-compliant

packages

SELECT FUNCTION TABLE

Inputs

Function

FB_SEL N_SEL1 N_SEL0 M Divide N Divide

M/N

2.5

BLOCK DIAGRAM

PIN ASSIGNMENT

VDDO

nQ3

nQ2

nQ0

nQ4

Pullup

PLL_BYPASS

nQ1

nQ5

nQ0

PLL_BYPASS

V^DDA

N_SEL1

GND

N_SEL0

XTAL_OUT

XTAL_IN

nQ1

Output

Divider

XTAL_IN

OSC

PLL

VDD

FB_SEL

XTAL_OUT

nQ2

ICS843246

24-Lead, 300-MIL SOIC

7.5mm x 15.33mm x 2.3mm

body package

Feedback

Divider

nQ3

M Package

TopView

Pulldown

FB_SEL

Pullup

nQ4

N_SEL1

24-LeadTSSOP

4.40mm x 7.8mm x 0.92mm

body package

Pullup

N_SEL0

G Package

TopView

nQ5

The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on

initial product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications

without notice.

844246AM

www.icst.com/products/hiperclocks.html

REV.A SEPTEMBER 29, 2005

12 3 4 5 6 7...13

中文翻译

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与844246AMLFT相关器件

型号	品牌	获取价格	描述	数据表
844246AMT	IDT	获取价格	Clock Generator
844246BG	IDT	获取价格	Clock Generator
844246BGI	IDT	获取价格	Clock Generator
844246BGILF	IDT	获取价格	Clock Generator
844246BGILFT	IDT	获取价格	Clock Generator
844246BGIT	IDT	获取价格	Clock Generator
844246BGLF	IDT	获取价格	Clock Generator, 333.3333MHz, PDSO24, 4.40 X 7.80 MM, 0.90 MM HEIGHT, ROHS COMPLIANT, MO-1
844246BGLFT	IDT	获取价格	Clock Generator, 333.3333MHz, PDSO24, 4.40 X 7.80 MM, 0.90 MM HEIGHT, ROHS COMPLIANT, MO-1
844246BGT	IDT	获取价格	Clock Generator
844251BG-14	IDT	获取价格	FEMTOCLOCK™ CRYSTAL-TO-LVDS CLOCK GENERATOR

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