Datasheet > 844004AGI-04LFT

844004AGI-04LFT

更新时间： 2024-01-25 21:37:54

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
13页	226K
描述
TSSOP-24, Reel

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844004AGI-04LFT 数据手册

PRELIMINARY

ICS844004I-04

Integrated

Circuit

Systems, Inc.

FEMTOCLOCKS™ CRYSTAL/LVCMOS-TO-

LVDS FREQUENCY SYNTHESIZER

GENERAL DESCRIPTION

FEATURES

The ICS844004I-04 is a 4 output LVDS • Four LVDS outputs

ICS

HiPerClockS™

Synthesizer optimized to generate clock

frequencies for a variety of high performance

• Selectable crystal oscillator interface

or LVCMOS/LVTTL single-ended input

applications and is

a member of the

HiPerClocks^TMfamily of high performance

• Supports the following applications: SONET/SDH, SATA,

or 10Gb Ethernet

clock solutions from ICS. This device can select its input

reference clock from either a crystal input or a single-

ended clock signal. It can be configured to generate 4

outputs with individually selectable divide-by-one or

divide-by-four function via the 4 frequency select pins

(F_SEL[3:0]). The ICS844004I-04 uses ICS’ 3^rdgeneration

low phase noise VCO technology and can achieve 1ps

or lower typical rms phase jitter. This ensures that it

will easily meet clocking requirements for SDH (STM-1/

STM-4/STM-16) and SONET (OC-3/OC12/OC-48). This

device is suitable for multi-rate and multiple port line

card applications. The ICS844004I-04 is conveniently

packaged in a small 24-pin TSSOP package.

• Output frequency range: 140MHz - 170MHz,

560MHz - 680MHz

• VCO range: 560MHz - 680MHz

• Crystal oscillator and CLK range: 17.5MHz - 21.25MHz

• RMS phase jitter @ 622.08MHz output, using a 19.44MHz

crystal (12kHz - 20MHz): 0.71ps (typical)

• RMS phase jitter @ 156.25MHz output, using a 19.53125MHz

crystal (1.875MHz - 20MHz): 0.51ps (typical)

• RMS phase jitter @ 155.52MHz output, using a 19.44MHz

crystal (12kHz - 5MHz): 0.75ps (typical)

• Full 3.3V supply mode

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

• Available in both standard and lead-free RoHS compliant

packages

PIN ASSIGNMENT

BLOCK DIAGRAM

XTAL_IN

nQ1

V^DDo

nQ2

V^DDO

OSC

÷1

÷4

XTAL_OUT

CLK

nQ0

Phase

Detector

VCO

Pulldown

nQ0

F_SEL3

nQ3

GND

F_SEL2

INPUT_SEL

CLK

Pulldown

INPUT_SEL

M = ÷32

V^DDA

Pulldown

Pullup

F_SEL0

V^DD

GND

XTAL_IN

F_SEL0

F_SEL1

XTAL_OUT

nQ1

Pullup

ICS844004I-04

24-LeadTSSOP

4.40mm x 7.8mm x 0.92mm

package body

F_SEL1

nQ2

G Package

TopView

F_SEL2

F_SEL3

nQ3

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.

844004AGI-04

www.icst.com/products/hiperclocks.html

REV.A FEBRUARY 25, 2009

12 3 4 5 6 7...13

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与844004AGI-04LFT相关器件

型号	品牌	描述	获取价格	数据表
844004AGLF	IDT	Clock Generator, 226.66MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153	获取价格
844004AGLF-04	IDT	Clock Generator, 680MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, T	获取价格
844004AGLF-04T	IDT	Clock Generator, 680MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, T	获取价格
844004AGLFT	IDT	Clock Generator, 226.66MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153	获取价格
844004AGT	IDT	Clock Generator	获取价格
844004AK-104	IDT	FEMTOCLOCKS™ CRYSTAL-TO-LVDS FREQUENCY SYNTHE	获取价格

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