Datasheet > ICS844001I

ICS844001I

更新时间： 2024-11-04 11:14:39

品牌	Logo	应用领域
矽成 - ICSI		时钟发生器
页数	文件大小	规格书
10页	162K
描述
FEMTOCLOCKS? CRYSTAL-TO- LVDS CLOCK GENERATOR

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中文翻译

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数据手册

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ICS844001I 数据手册

PRELIMINARY

ICS844001I

Integrated

Circuit

Systems, Inc.

FEMTOCLOCKS™ C RYSTAL-TO- LVDS

CLOCK GENERATOR

GENERAL DESCRIPTION

FEATURES

• (1) Differential LVDS output

The ICS844001I is a Fibre Channel Clock

ICS

Generator and a member of the HiPerClocks^TM

family of high performance devices from ICS.

The ICS844001I uses an 18pF parallel resonant

crystal over the range of 20.4MHz - 28.3MHz.

HiPerClockS™

• Crystal oscillator interface, 18pF parallel resonant crystal

(20.4MHz - 28.3MHz)

• Output frequency range: 81.66MHz - 226.66MHz

• VCO range: 490MHz - 680MHz

For Fibre Channel applications, a 26.5625MHz crystal is used.

The frequency select pin allows the device to generate

either 106.25MHz or 212.5MHz from a 26.5625MHz

crystal. To generate 187.5MHz for 12Gb Ethernet, a

23.4375MHz crystal is used. The ICS844001I uses ICS’ 3^rd

generation low phase noise VCO technology and can

achieve <1ps typical rms phase jitter, easily meeting Fibre

Channel and Ethernet jitter requirements. The ICS844001I is

packaged in a small 8-pin TSSOP, making it ideal for use in

systems with limited board space.

• RMS phase jitter @ 106.25MHz, using a 26.5625MHz crystal

(637kHz - 10MHz): 0.74ps (typical)

• 3.3V or 2.5V operating supply

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

COMMON CONFIGURATION TABLE - FIBRE CHANNEL, 12Gb ETHERNET

Inputs

Output Frequency

(MHz)

Multiplication

Value M/N

Crystal Frequency (MHz) FREQ_SEL

26.5625

23.4375

106.25

212.5

187.5

BLOCK DIAGRAM

PIN ASSIGNMENT

Pullup

FREQ_SEL

VDDA

VDD

GND

XTAL_OUT

XTAL_IN

÷3

÷6

XTAL_IN

VCO

FREQ_SEL

Phase

Detector

OSC

490MHz - 680MHz

XTAL_OUT

ICS844001I

8-Lead TSSOP

4.40mm x 3.0mm x 0.925mm

package body

M = ÷24 (fixed)

G Package

TopView

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.

844001AGI

www.icst.com/products/hiperclocks.html

REV. A JUNE 16, 2005

12 3 4 5 6 7...10

中文翻译

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与ICS844001I相关器件

型号	品牌	获取价格	描述	数据表
ICS844002	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-LVDS FREQUENCY SYNTHE
ICS844002-01	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TOLVDS FREQUENCY SYNTHES
ICS844002AG	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-LVDS FREQUENCY SYNTHE
ICS844002AGI	IDT	获取价格	Clock Generator, 226.66MHz, PDSO20, 6.50 X 4.40 MM, 0.92 MM HEIGHT, MO-153, TSSOP-20
ICS844002AGI-01	IDT	获取价格	Clock Generator, 170MHz, PDSO20, 6.50 X 4.40 MM, 0.92 MM HEIGHT, MO-153, TSSOP-20
ICS844002AGI-01	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER
ICS844002AGI-01LF	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER
ICS844002AGI-01LFT	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER
ICS844002AGI-01T	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVDS FREQUENCY SYNTHESIZER
ICS844002AGILF	IDT	获取价格	Clock Generator, 226.66MHz, PDSO20, 6.50 X 4.40 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153

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