Datasheet > ICS843051

ICS843051

更新时间： 2024-11-02 05:39:03

品牌	Logo	应用领域
矽成 - ICSI		时钟发生器
页数	文件大小	规格书
15页	243K
描述
FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL CLOCK GENERATOR

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中文翻译

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数据手册

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ICS843051 数据手册

ICS843051

Integrated

Circuit

Systems, Inc.

EMTO

LOCKS™ CRYSTAL

-TO-

3.3V LVPECL CLOCK

GENERATOR

GENERAL DESCRIPTION

FEATURES

The ICS843051 is a Gb Ethernet Generator and a • 1 differential 3.3V LVPECL output

ICS

member of the HiPerClocks^TMfamily of high

• Crystal oscillator interface designed for

performance devices from ICS.The ICS843051 can

18pF parallel resonant crystals

HiPerClockS™

synthesize 10 Gigabit Ethernet, SONET, or Serial

ATA reference clock frequencies with the

• RMS phase jitter at:

155.52MHz (12KHz - 20MHz): 0.74ps (typical)

156.25MHz (1.875MHz - 20MHz): 0.43ps (typical)

161.13MHz (1.933MHz - 20MHz): 0.43ps (typical)

appropriate choice of crystal and output divider.The ICS843051

has excellent phase jitter performance and is packaged in a

small 8-pin TSSOP, making it ideal for use in systems with

limited board space.

• RMS phase noise at 156.25MHz

Offset

Noise Power

100Hz .................. -95 dBc/Hz

1KHz ................ -110 dBc/Hz

10KHz ................ -125 dBc/Hz

100KHz ................ -125 dBc/Hz

• 3.3V operating supply

• 0°C to 70°C ambient operating temperature

• Industrial temperature information available upon request

• Lead-Free package fully RoHS compliant

FREQUENCY TABLE

PIN ASSIGNMENT

Inputs

Output Frequency

(MHz)

Crystal Frequency (MHz)

20.141601

19.53125

19.44

FREQ_SEL

VCCA

VEE

VCC

161.132812

80.566406

156.25

78.125

155.52

77.76

XTAL_OUT

XTAL_IN

nQ0

FREQ_SEL

ICS843051

8-Lead TSSOP

4.40mm x 3.0mm x 0.925mm

package body

19.44

G Package

TopView

18.75

150

18.75

BLOCK DIAGRAM

FREQ_SEL

XTAL_IN

0 ÷4 (default)

1 ÷8

nQ0

Phase

Detector

OSC

VCO

XTAL_OUT

÷32

(fixed)

843051AG

www.icst.com/products/hiperclocks.html

REV. A DECEMBER 14, 2004

12 3 4 5 6 7...15

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