Datasheet > ICS843251AG-04LFT

ICS843251AG-04LFT

更新时间： 2024-11-03 02:54:03

品牌	Logo	应用领域
矽成 - ICSI		时钟发生器
页数	文件大小	规格书
10页	145K
描述
FEMTOCLOCKS⑩ 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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PRELIMINARY

ICS843251-04

Integrated

Circuit

Systems, Inc.

FEMTOCLOCKS™ CRYSTAL-TO-

3.3V LVPECL CLOCK GENERATOR

GENERAL DESCRIPTION

FEATURES

The ICS843251-04 is a 10Gb/12Gb Ethernet • 1 differential 3.3V LVPECL output

ICS

Clock Generator and a member of the

• Crystal oscillator interface designed for

HiPerClocks^TMfamily of high performance

18pF parallel resonant crystals

HiPerClockS™

devices from ICS. The ICS843251-04 can

synthesize 10 Gigabit Ethernet and 12 Gigabit

• Crystal input frequency range: 19.33MHz - 30MHz

• Output frequency range: 145MHz - 187.5MHz

• VCO frequency range: 580MHz - 750MHz

Ethernet with a 25MHz crystal. It can also generate SATA

and 10Gb Fibre Channel reference clock frequencies with

the appropriate choice of crystals. The ICS843251-04 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 jitter at 156.25MHz (1.875MHz - 20MHz):

0.39ps (typical)

• 3.3V operating supply

• 0°C to 70°C ambient operating temperature

• Industrial temperature information available upon request

• Available in both standard and lead-free compliant

packages

CONFIGURATION TABLE WITH 25MHZ CRYSTAL

Inputs

Output Frequency

Application

Crystal Frequency Feedback VCO Frequency

(MHz)

N Output Divide

(MHz)

Divide

(MHz)

750

187.5

12 Gigabit Ethernet

10 Gigabit Ethernet

625

156.25

CONFIGURATION TABLE WITH SELECTABLE CRYSTALS

Inputs

Output Frequency

(MHz)

Application

Crystal Frequency Feedback VCO Frequency

N Output Divide

(MHz)

Divide

(MHz)

600

150

159.375

150

SATA

21.25

637.5

600

10 Gigabit Fibre Channel

SATA

25.5

637.5

750

159.375

187.5

10 Gigabit Fibre Channel

12 Gigabit Ethernet

BLOCK DIAGRAM

PIN ASSIGNMENT

VCCA

VCC

XTAL_IN

OSC

XTAL_OUT

DIV. N

÷4

VEE

Phase

Detector

VCO

580MHz-750MHz

XTAL_OUT

XTAL_IN

FREQ_SEL

0 = ÷25 (default)

1 = ÷30

ICS843251-04

8-LeadTSSOP

4.40mm x 3.0mm x 0.925mm

package body

Pulldown

FREQ_SEL

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.

843251AG-04

www.icst.com/products/hiperclocks.html

REV.A SEPTEMBER 12, 2005

12 3 4 5 6 7...10

中文翻译

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与ICS843251AG-04LFT相关器件

型号	品牌	获取价格	描述	数据表
ICS843251AG-04T	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V LVPECL CLOCK GEN
ICS843251AGI-04	IDT	获取价格	Clock Generator, 187.5MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
ICS843251AGI-04LF	IDT	获取价格	Clock Generator, 187.5MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153, TS
ICS843251AGI-04T	IDT	获取价格	Clock Generator, 187.5MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
ICS843251AGI-14	IDT	获取价格	Clock Generator, 680MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
ICS843251AGI-14LF	IDT	获取价格	Clock Generator, 680MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSO
ICS843251AGI-14LFT	IDT	获取价格	Clock Generator, 680MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSO
ICS843251AGI-14T	IDT	获取价格	Clock Generator, 680MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
ICS843251BGI-12	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK GENERATOR
ICS843251BGI-12FT	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-3.3V, 2.5V LVPECL CLOCK GENERATOR

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