Datasheet > 844021AGI-01

844021AGI-01

更新时间： 2024-11-05 06:51:43

品牌	Logo	应用领域
艾迪悌 - IDT		光电二极管
页数	文件大小	规格书
10页	182K
描述
Clock Generator, PDSO8

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数据手册

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844021AGI-01 数据手册

PRELIMINARY

ICS844021I-01

Integrated

Circuit

Systems, Inc.

FEMTOCLOCKS™ CRYSTAL-TO- LVDS

CLOCK GENERATOR

GENERAL DESCRIPTION

FEATURES

• (1) Differential LVDS output

The ICS844021I-01 is an Ethernet Clock

ICS

Generator and a member of the HiPerClocks^TM

family of high performance devices from ICS.The

ICS844021I-01 uses an 18pF parallel resonant

crystal over the range of 24.5MHz - 34MHz. For

HiPerClockS™

• Crystal oscillator interface, 18pF parallel resonant crystal

(24.5MHz - 34MHz)

• Output frequency range: 122.5MHz - 170MHz

• VCO range: 490MHz - 680MHz

Ethernet applications, a 25MHz crystal is used. The

ICS844021I-01 has excellent <1ps phase jitter performance,

over the 1.875MHz - 20MHz integration range. The

ICS844021I-01 is packaged in a small 8-pin TSSOP, making

it ideal for use in systems with limited board space.

• RMS phase jitter @ 125MHz, using a 25MHz crystal

(1.875MHz - 20MHz): 0.45ps (typical)

• 3.3V or 2.5V operating supply

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

COMMON CONFIGURATION TABLE - Gb ETHERNET

Inputs

Output Frequency

(MHz)

Multiplication

Value M/N

Crystal Frequency (MHz)

125

26.666

33.33

133.33

166.66

BLOCK DIAGRAM

PIN ASSIGNMENT

Pullup

VDDA

GND

VDD

XTAL_OUT

XTAL_IN

nQ0

XTAL_IN

OSC

XTAL_OUT

VCO

Phase

Detector

N = ÷4 (fixed)

490MHz - 680MHz

nQ0

ICS844021I-01

8-Lead TSSOP

4.40mm x 3.0mm x 0.925mm

package body

M = ÷20 (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.

844021AGI-01

www.icst.com/products/hiperclocks.html

REV. A MARCH 29, 2005

12 3 4 5 6 7...10

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8440258AKI-45LF	IDT	获取价格	Clock Generator, 156.25MHz, 5 X 5 MM, 0.925 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQF
8440258AKI-46LF	IDT	获取价格	Clock Generator, 125MHz, 5 X 5 MM, 0.75 MM HEIGHT, ROHS COMPLIANT, MO-220VHHD-2, VFQFN-32