Datasheet > ICS843002I

ICS843002I

更新时间： 2024-11-02 05:12:19

品牌	Logo	应用领域
矽成 - ICSI		/
页数	文件大小	规格书
16页	211K
描述
FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER

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ICS843002I 数据手册

ICS843002I

FEMTOCLOCKS™ CRYSTAL-TO-3.3V, 2.5V

LVPECL FREQUENCY SYNTHESIZER

Integrated

Circuit

Systems, Inc.

GENERAL DESCRIPTION

FEATURES

The ICS843002I is a 2 output LVPECL synthesizer

• Two 3.3V or 2.5V LVPECL outputs

ICS

HiPerClockS™

optimized to generate Fibre Channel reference

clock frequencies and is a member of the

HiPerClocks^TMfamily of high performance clock

solutions from ICS. Using a 26.5625MHz, 18pF

• Selectable crystal oscillator interface

or LVCMOS/LVTTL single-ended input

• Supports the following output frequencies: 212.5MHz,

187.5MHz, 159.375MHz, 106.25MHz and 53.125MHz

parallel resonant crystal, the following frequencies can be

generated based on the 2 frequency select pins (F_SEL[1:0]):

212.5MHz, 187.5MHz, 159.375MHz, 106.25MHz, and

53.125MHz. The ICS843002I uses ICS’ FemtoClock^TMlow

phase noise VCO technology and can achieve 1ps or lower

typical rms phase jitter, easily meeting Fibre Channel jitter

requirements. The ICS843002I is packaged in a small 20-pin

TSSOP package.

• VCO range: 560MHz - 680MHz

• RMS phase jitter @212.5MHz (2.55MHz - 20MHz):

0.50ps (typical)

• Full 3.3V or 2.5V supply modes

• -40°C to 85°C ambient operating temperature

• Available in both standard and lead-free RoHS compliant

packages

FREQUENCY SELECT FUNCTION TABLE

PIN ASSIGNMENT

Inputs

Output

Frequency

(MHz)

V^CCO

nQ1

V^EE

VCC

nXTAL_SEL

REF_CLK

XTAL_IN

XTAL_OUT

F_SEL1

Input

Frequency

M Divider N Divider

M/N

Divider Value

F_SEL1 F_SEL0

nQ0

nPLL_SEL

V^CCA

F_SEL0

V^CC

Value

26.5625

23.4375

212.5

159.375

106.25

53.125

187.5

ICS843002I

20-LeadTSSOP

6.5mm x 4.4mm x 0.92mm

BLOCK DIAGRAM

package body

G Package

Top View

Pulldown

F_SEL[1:0]

Pulldown

nPLL_SEL

F_SEL[1:0]

nQ0

0 0 ÷3

0 1 ÷4

1 0 ÷6

1 1 ÷12

Pulldown

REF_CLK

26.5625MHz

XTAL_IN

OSC

VCO

637.5MHz

(w/26.5625MHz

Reference)

Phase

Detector

nQ1

XTAL_OUT

Pulldown

nXTAL_SEL

M = 24 (fixed)

Pulldown

843002AGI

www.icst.com/products/hiperclocks.html

REV.A JANUARY 4, 2006

12 3 4 5 6 7...16

中文翻译

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与ICS843002I相关器件

型号	品牌	获取价格	描述	数据表
ICS843002I-01	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843002I-40	ICSI	获取价格	175MHZ, FEMTOCLOCKS-TM VCXO BASED SONET/SDH JITTER ATTENUATOR
ICS843002I-40	IDT	获取价格	175MHZ, FEMTOCLOCKTM VCXO BASED SONET/SDH JITTER ATTENUATOR
ICS843002I-41	ICSI	获取价格	700MHz, FEMTOCLOCKS-TM VCXO BASED SONET/SDH JITTER ATTENUATOR
ICS843002I-41	IDT	获取价格	700MHZ, FEMTOCLOCKTM VCXO BASED SONET/SDH JITTER ATTENUATOR
ICS843002I-72	IDT	获取价格	FEMTOCLOCKS⑩ VCXO BASED WCDMA CLOCK GENERATOR
ICS843003	ICSI	获取价格	FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843003	ICSI	获取价格	FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843003AG	ICSI	获取价格	FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843003AG	ICSI	获取价格	FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER

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