Datasheet > ICS8430252CG-45

ICS8430252CG-45

更新时间： 2024-11-02 02:56:35

品牌	Logo	应用领域
矽成 - ICSI		晶体外围集成电路光电二极管时钟
页数	文件大小	规格书
13页	162K
描述
FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER

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中文翻译

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数据手册

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ICS8430252CG-45 数据手册

PRELIMINARY

ICS8430252-45

Integrated

Circuit

Systems, Inc.

FEMTOCLOCKS™ C RYSTAL-TO-3.3V LVPECL

FREQUENCY SYNTHESIZER

GENERAL DESCRIPTION

FEATURES

The ICS8430252-45 is a 2 output LVPECL and

• One differential 3.3V LVPECL output and

One LVCMOS/LVTTL output

ICS

LVCMOS/LVTTL Synthesizer optimized to gen-

erate Ethernet reference clock frequencies and

is a member of the HiPerClocks™family of high

performance clock solutions from ICS. Using a

HiPerClockS™

• Crystal oscillator interface designed for a 25MHz,

18pF parallel resonant crystal

25MHz, 18pF parallel resonant crystal, the following fre-

quencies can be generated: 156.25MHz LVPECL output

and, 125MHz LVCMOS output. The 8430252-45 uses ICS’

3rd generation low phase noise VCO technology and can

achieve 1ps or lower typical rms phase jitter, easily meet-

ing Ethernet jitter requirements. The ICS8430252-45 is

packaged in a small 16-pin TSSOP package.

• A 25MHz crystal generates both an output frequency of

156.25MHz (LVPECL) and 125MHz (LVCMOS)

• VCO frequency: 625MHz

• RMS phase jitter @ 156.25MHz (1.875MHz - 20MHz) using

a 25MHz crystal: 0.39ps (typical)

• Full 3.3V supply mode

• 0°C to 70°C ambient operating temperature

• Industrial temperature available upon request

• Available in both standard and lead-free RoHS compliant

packages

BLOCK DIAGRAM

PIN ASSIGNMENT

Pullup

V^EE

CLK_EN

V^EE

25MHz

÷5

÷4

XTAL_IN

Phase

Detector

VCO

OSC

V^CCO_A

V^CCA

VCC

nQB

625MHz

V^CCO_B

XTAL_IN

XTAL_OUT

V^EE

XTAL_OUT

nQB

Feedback Divider

÷25

Pullup

CLK_EN

ICS8430252-45

16-LeadTSSOP

4.4mm x 5.0mm x 0.92mm

package body

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.

8430252CG-45

www.icst.com/products/hiperclocks.html

REV.B DECEMBER 9, 2005

12 3 4 5 6 7...13

中文翻译

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与ICS8430252CG-45相关器件

型号	品牌	获取价格	描述	数据表
ICS8430252CG-45LF	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY
ICS8430252CG-45LFT	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY
ICS8430252CG-45T	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL FREQUENCY
ICS843031	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL CLOCK GEN
ICS843031-01	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO- 3.3V, 2.5V LVPECL CL
ICS843031AG	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL CLOCK GEN
ICS843031AG-01	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO- 3.3V, 2.5V LVPECL CL
ICS843031AG-01LF	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO- 3.3V, 2.5V LVPECL CL
ICS843031AG-01LFT	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO- 3.3V, 2.5V LVPECL CL
ICS843031AG-01T	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO- 3.3V, 2.5V LVPECL CL

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