Datasheet > 微控制器和处理器 > 时钟发生器> ICS841654AGILF

ICS841654AGILF

更新时间： 2024-11-02 05:39:03

品牌	Logo	应用领域
艾迪悌 - IDT		时钟发生器
页数	文件大小	规格书
17页	326K
描述
FEMTOCLOCKS™ CRYSTAL-TO-HCSL CLOCK GENERATOR

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中文翻译

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数据手册
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ICS841654AGILF 数据手册

FEMTOCLOCKS™ CRYSTAL-TO-HCSL

CLOCK GENERATOR

ICS841654I

GENERAL DESCRIPTION

FEATURES

The ICS841654I is an optimized PCIe and sRIO clock

• Four differential HCSL clock outputs: configurable for PCIe

(100MHz) and sRIO (100MHz or 125MHz) clock signals

One REF_OUT LVCMOS/LVTTL clock output

ICS

HiPerClockS™

generator and member of the HiPerClocks™family

of high-performance clock solutions from IDT. The

device uses a 25MHz parallel crystal to generate

100MHz and 125MHz clock signals, replacing

• Selectable crystal oscillator interface, 25MHz, 18pF parallel

resonant crystal or LVCMOS/LVTTL single-ended reference

clock input

solutions requiring multiple oscillator and fanout buffer solutions.

The device has excellent phase jitter (< 1ps rms) suitable to clock

components requiring precise and low-jitter PCIe or sRIO or both

clock signals. Designed for telecom, networking and industrial

applications, the ICS841654I can also drive the high-speed sRIO

and PCIe SerDes clock inputs of communication processors,

DSPs, switches and bridges.

• Supports the following output frequencies:

100MHz or 125MHz

• VCO: 500MHz

• PLL bypass and output enable

• RMS phase jitter at 100MHz, using a 25MHz crystal

(1.875MHz - 20MHz): 0.44ps (typical)

• Full 3.3V power supply mode

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

• Available in both standard (RoHS 5) and lead-free (RoHS 6)

packages

BLOCK DIAGRAM

PIN ASSIGNMENT

XTAL_IN

VDD

REF_OUT

GND

IREF

QA0

OSC

FSEL0

FSEL1

QB0

nQA0

XTAL_OUT

REF_IN

FemtoClock

QA0

PLL

÷NA

Pulldown

VCO = 500MHz

QA1

nQA0

V^DDOA

GND

QA1

nQA1

nQB0

V^DDOB

GND

QB1

nQB1

nQA1

REF_SEL

IREF

M = ÷20

QB0

MR/nOE

V^DD

XTAL_IN

XTAL_OUT

GND

nREF_OE

BYPASS

REF_IN

REF_SEL

nQB0

÷NB

QB1

Pulldown

BYPASS

V^DDA

nQB1

FSEL[0:1]

ICS841654I

28-Lead TSSOP

6.1mm x 9.7mm x 0.925mm

package body

MR/nOE

REF_OUT

G Package

Top View

Pullup

nREF_OE

IDT^™/ ICS^™HCSL CLOCK GENERATOR

ICS841654AGI REV. A APRIL 17, 2008

12 3 4 5 6 7...17

中文翻译

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ICS841654AGILF 替代型号

型号	品牌	替代类型	描述	数据表
ICS841654AGILFT	IDT	功能相似	FEMTOCLOCKS™ CRYSTAL-TO-HCSL CLOCK GENERATOR

与ICS841654AGILF相关器件

型号	品牌	获取价格	描述	数据表
ICS841654AGILFT	IDT	获取价格	FEMTOCLOCKS™ CRYSTAL-TO-HCSL CLOCK GENERATOR
ICS841654AGIT	IDT	获取价格	FEMTOCLOCKS™ CRYSTAL-TO-HCSL CLOCK GENERATOR
ICS841654I	IDT	获取价格	FEMTOCLOCKS™ CRYSTAL-TO-HCSL CLOCK GENERATOR
ICS841664AGI	IDT	获取价格	Clock Generator, 156.25MHz, PDSO28, 6.10 X 9.70 MM, 0.92 MM HEIGHT, MO-153, TSSOP-28
ICS841664AGILFT	IDT	获取价格	FemtoClock Crystal-to-HCSL Clock Generator
ICS841664I	IDT	获取价格	FEMTOCLOCK™ CRYSTAL-TO-HCSL CLOCK GENERATOR
ICS841N254I	IDT	获取价格	FEMTOCLOCK? NG Crystal-to-LVDS/HCSL Clock Synthesizer
ICS841S01	IDT	获取价格	PCI EXPRESS⑩ CLOCK GENERATOR
ICS841S012DI	IDT	获取价格	Crystal-to-0.7V Differential HCSL/LVCMOS Frequency Synthesizer
ICS841S012I	IDT	获取价格	Crystal-to-0.7V Differential HCSL/LVCMOS Frequency Synthesizer

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