Datasheet > ICS843002ALF

ICS843002ALF

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	308K
描述
FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER

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ICS843002ALF 数据手册

ICS843002

FEMTOCLOCKS™ CRYSTAL-TO-

3.3V LVPECL FREQUENCY SYNTHESIZER

Integrated

Circuit

Systems, Inc.

GENERAL DESCRIPTION

FEATURES

The ICS843002 is a 2 output LVPECL synthesizer • Two 3.3V LVPECL outputs

ICS

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

HiPerClockS™

• 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 ICS843002 uses ICS’ 3^rdgeneration low

phase noise VCO technology and can achieve 1ps or lower

typical rms phase jitter, easily meeting Fibre Channel jitter

requirements.The ICS843002 is packaged in a small 20-pin

TSSOP package.

• VCO range: 560MHz - 680MHz

• RMS phase jitter (637kHz - 10MHz): 0.72ps (typical)

• Typical phase noise at 212.5MHz

Phase noise:

Offset

Noise Power

100Hz ............... -87.7 dBc/Hz

1KHz ..............-111.6 dBc/Hz

10KHz ..............-124.3 dBc/Hz

100KHz ..............-124.3 dBc/Hz

• Full 3.3V supply mode

• Lead-Free package RoHS compliant

• -30°C to 85°C ambient operating temperature

FREQUENCY SELECT FUNCTION TABLE

PIN ASSIGNMENT

Inputs

V^CCO

Output

Frequency

(MHz)

nQ1

V^EE

VCC

nXTAL_SEL

TEST_CLK

XTAL_IN

XTAL_OUT

F_SEL1

Input

M Divider N Divider

Frequency F_SEL1 F_SEL0

M/N

Divider Value

nQ0

nPLL_SEL

V^CCA

F_SEL0

V^CC

Value

(MHz)

26.5625

212.5

159.375

106.25

53.125

187.5

26.5625

23.4375

ICS843002

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

TEST_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

843002AG

www.icst.com/products/hiperclocks.html

REV. B MAY 6, 2005

12 3 4 5 6 7...16

中文翻译

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与ICS843002ALF相关器件

型号	品牌	获取价格	描述	数据表
ICS843002BKI-72LFT	IDT	获取价格	Clock Generator, 122.88MHz, 5 X 5 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VHHD, VFQFN-3
ICS843002BY-31	IDT	获取价格	PLL/Frequency Synthesis Circuit
ICS843002BY-31LF	IDT	获取价格	Clock Generator, 700MHz, PQFP64, 10 X 10 MM, 1 MM HEIGHT, ROHS COMPLIANT, MS-026ACD-HD, TQ
ICS843002BY-31LFT	IDT	获取价格	Clock Generator, 700MHz, PQFP64, 10 X 10 MM, 1 MM HEIGHT, ROHS COMPLIANT, MS-026ACD-HD, TQ
ICS843002BY-31T	IDT	获取价格	PLL/Frequency Synthesis Circuit
ICS843002CY31	ICSI	获取价格	700MHZ FEMTOCLOCKS? VCXO BASED FREQUENCY TRANSLATOR AND JITTER ATTENUATOR
ICS843002CY-31	ICSI	获取价格	700MHZ FEMTOCLOCKS? VCXO BASED FREQUENCY TRANSLATOR AND JITTER ATTENUATOR
ICS843002CY-31LF	ICSI	获取价格	700MHZ FEMTOCLOCKS? VCXO BASED FREQUENCY TRANSLATOR AND JITTER ATTENUATOR
ICS843002CY-31LFT	ICSI	获取价格	700MHZ FEMTOCLOCKS? VCXO BASED FREQUENCY TRANSLATOR AND JITTER ATTENUATOR
ICS843002CY-31T	ICSI	获取价格	700MHZ FEMTOCLOCKS? VCXO BASED FREQUENCY TRANSLATOR AND JITTER ATTENUATOR

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