Datasheet > ICS843002AGI-01LFT

ICS843002AGI-01LFT

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
15页	206K
描述
FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER

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ICS843002I-01

FEMTOCLOCKS™ CRYSTAL-TO-

3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER

Integrated

Circuit

Systems, Inc.

GENERAL DESCRIPTION

FEATURES

The ICS843002I-01 is a 2 output LVPECL • Two 3.3V or 2.5V LVPECL outputs

ICS

HiPerClockS™

synthesizer optimized to generate Ethernet

reference clock frequencies and is a member

of the HiPerClocks^TMfamily of high perfor-

mance clock solutions from ICS. Using a

• Selectable crystal oscillator interface

or LVCMOS/LVTTL single-ended input

• Supports the following output frequencies:

156.25MHz, 125MHz and 62.5MHz

25MHz 18pF parallel resonant crystal, the following

frequencies can be generated based on the 2 frequency

select pins (F_SEL[1:0]): 156.25MHz, 125MHz, and

62.5MHz. The ICS843002I-01 uses ICS’ FemtoClock^TM

low phase noise VCO technology and can achieve 1ps

or lower typical rms phase jitter, easily meeting Ethernet

jitter requirements. The ICS843002I-01 is packaged in a

small 20-pin TSSOP package.

• VCO range: 560MHz - 680MHz

• RMS phase jitter @ 156.25MHz, using a 25MHz crystal

(1.875MHz-20MHz): 0.55ps (typical)

• Output skew: 30ps (maximum)

• SupplyVoltage Modes

Core/Outputs

3.3/3.3

2.5/2.5

• -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

V^CCO

Output Frequency

nQ1

V^EE

VCC

nXTAL_SEL

REF_CLK

XTAL_IN

XTAL_OUT

F_SEL1

M Divider N Divider

(25MHz Ref.)

F_SEL1 F_SEL0

nQ0

nPLL_SEL

V^CCA

F_SEL0

V^CC

Value

156.25 (default)

125

62.5

125

ICS843002I-01

20-Lead TSSOP

6.5mm x 4.4mm x 0.92mm

package body

BLOCK DIAGRAM

Pulldown

F_SEL[1:0]

G Package

Top View

Pulldown

nPLL_SEL

F_SEL[1:0]

nQ0

0 0 ÷4 (default)

0 1 ÷5

1 0 ÷10

Pulldown

25MHz

REF_CLK

XTAL_IN

1 1 ÷5

nQ1

VCO

Phase

Detector

OSC

625MHz

(w/25MHz

Reference)

XTAL_OUT

nXTAL_SEL

Pulldown

M = 25 (fixed)

Pulldown

843002AGI-01

www.icst.com/products/hiperclocks.html

REV.A JANUARY 6, 2006

12 3 4 5 6 7...15

中文翻译

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与ICS843002AGI-01LFT相关器件

型号	品牌	获取价格	描述	数据表
ICS843002AGI-01T	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843002AGILF	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843002AGILFT	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843002AGIT	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
ICS843002AGLF	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY
ICS843002AGLFT	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY
ICS843002AGT	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY
ICS843002AKI-40	ICSI	获取价格	175MHZ, FEMTOCLOCKS-TM VCXO BASED SONET/SDH JITTER ATTENUATOR
ICS843002AKI-40LF	IDT	获取价格	Clock Generator, 175MHz, 3 X 3 MM, 0.95 MM HEIGHT, ROHS COMPLIANT, MO-220VHHD, VFQFN-32
ICS843002AKI-40LFT	IDT	获取价格	Clock Generator, 175MHz, 3 X 3 MM, 0.95 MM HEIGHT, ROHS COMPLIANT, MO-220VHHD, VFQFN-32

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