Datasheet > ICS843246AGLFT

ICS843246AGLFT

更新时间： 2024-11-03 11:14:39

品牌	Logo	应用领域
矽成 - ICSI		晶体外围集成电路光电二极管时钟
页数	文件大小	规格书
15页	202K
描述
FEMTOCLOCKS? CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER

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中文翻译

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数据手册

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ICS843246AGLFT 数据手册

PRELIMINARY

ICS843246

Integrated

Circuit

Systems, Inc.

FEMTOCLOCKS™ C RYSTAL-TO-3.3V LVPECL

FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER

GENERAL DESCRIPTION

FEATURES

The ICS843246 is a Crystal-to-3.3V LVPECL • Six LVPECL outputs

ICS

HiPerClockS™

Clock Synthesizer/Fanout Buffer designed for

• Crystal oscillator interface

Fibre Channel and Gigabit Ethernet appli-

cations and is a member of the HiperClockS™

family of High Performance Clock Solutions

• Output frequency range: 53.125MHz to 333.3333MHz

• Crystal input frequency range: 25MHz to 33.333MHz

from ICS. The output frequency can be set using the fre-

quency select pins and a 25MHz crystal for Ethernet

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

The low phase noise characteristics of the ICS843246

make it an ideal clock for these demanding applications.

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

(1.875MHz to 20MHz): 0.41ps (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

VCCO

24 Q3

nQ3

nQ4

nQ2

nQ1

nQ0

Pullup

PLL_BYPASS

19 nQ5

nQ0

PLL_BYPASS

V^CCA

N_SEL1

V^EE

VEE

N_SEL0

XTAL_OUT

XTAL_IN

nQ1

Output

Divider

XTAL_IN

OSC

PLL

VCC

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

Pullup

FB_SEL

N_SEL1

nQ4

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.

843246AM

www.icst.com/products/hiperclocks.html

REV.A SEPTEMBER 29, 2005

12 3 4 5 6 7...15

中文翻译

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与ICS843246AGLFT相关器件

型号	品牌	获取价格	描述	数据表
ICS843246AGT	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
ICS843246AM	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
ICS843246AMI	IDT	获取价格	Clock Generator, 333.33MHz, PDSO24, 7.50 X 15.33 MM, 2.30 MM HEIGHT, MS-013, MO-119, SOIC-
ICS843246AMILF	IDT	获取价格	Clock Generator, 333.33MHz, PDSO24, 7.50 X 15.33 MM, 2.30 MM HEIGHT, ROHS COMPLIANT, MS-01
ICS843246AMILFT	IDT	获取价格	Clock Generator, 333.33MHz, PDSO24, 7.50 X 15.33 MM, 2.30 MM HEIGHT, ROHS COMPLIANT, MS-01
ICS843246AMIT	IDT	获取价格	Clock Generator, 333.33MHz, PDSO24, 7.50 X 15.33 MM, 2.30 MM HEIGHT, MS-013, MO-119, SOIC-
ICS843246AMLF	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
ICS843246AMLFT	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
ICS843246AMT	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER W/INTEGRATED FANOUT BUFFER
ICS843246BG	IDT	获取价格	Clock Generator, 340MHz, PDSO24, MO-153, TSSOP-24

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