813252CKI-02LF

更新时间： 2024-09-17 06:32:43

品牌	Logo	应用领域
艾迪悌 - IDT		石英晶振压控振荡器衰减器
页数	文件大小	规格书
22页	648K
描述
VCXO JITTER ATTENUATOR & FEMTOCLOCK™ MULTIPLIER

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813252CKI-02LF 数据手册

VCXO JITTER ATTENUATOR &

FEMTOCLOCK™ MULTIPLIER

ICS813252I-02

GENERAL DESCRIPTION

FEATURES

The ICS813252I-02 is

member of the

• Two LVPECL outputs

ICS

HiperClockS™ family of high performance clock

solutions from IDT. The ICS813252I-02 is a PLL

based synchronous multiplier that is optimized for

PDH or SONET to Ethernet clock jitter attenuation

Each output supports independent frequency selection at

25MHz, 125MHz, 156.25MHz and 312.5MHz

HiPerClockS™

• Two differential inputs support the following input types:

LVPECL, LVDS, LVHSTL, SSTL, HCSL

and frequency translation. The device contains two internal

frequency multiplication stages that are cascaded in series.

The first stage is a VCXO PLL that is optimized to provide

reference clock jitter attenuation. The second stage is a

FemtoClock™ frequency multiplier that provides the low jitter,

high frequency Ethernet output clock that easily meets Gigabit

and 10 Gigabit Ethernet jitter requirements. Pre-divider and

output divider multiplication ratios are selected using device

selection control pins. The multiplication ratios are optimized

to support most common clock rates used in PDH, SONET

and Ethernet applications. The VCXO requires the use of an

external, inexpensive pullable crystal. The VCXO uses external

passive loop filter components which allows configuration of

the PLL loop bandwidth and damping characteristics. The

device is packaged in a space-saving 32-VFQFN package and

supports industrial temperature range.

• Accepts input frequencies from 8kHz to 155.52MHz including

8kHz, 1.544MHz, 2.048MHz, 19.44MHz, 25MHz, 77.76MHz,

125MHz and 155.52MHz

• Attenuates the phase jitter of the input clock by using a low-

cost pullable fundamental mode VCXO crystal

• VCXO PLL bandwidth can be optimized for jitter attenuation

and reference tracking using external loop filter connection

• FemtoClock frequency multiplier provides low jitter, high

frequency output

• Absolute pull range: 50ppm

• FemtoClock VCO frequency: 625MHz

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

(10kHz – 20MHz): 1.3ps (maximum)

• 3.3V supply voltage

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

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

packages

PIN ASSIGNMENT

32 31 30 29 28 27 26 25

LF1

LF0

V^EE

nQB

ISET

V^EE

V^CCO

nQA

ICS813252I-02

CLK_SEL

VCC

RESERVED

VEE

V^EE

ODASEL_0

9 10 11 12 13 14 15 16

32-Lead VFQFN

5mm x 5mm x 0.925 package body

K Package

Top View

IDT^™/ ICS^™VCXO JITTER ATTENUATOR/MULTIPLIER

CS813252CKI-02 REV. A OCTOBER 22, 2008

12 3 4 5 6 7...22

中文翻译

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813252CKI-02LF 替代型号

型号	品牌	替代类型	描述	数据表
813252CKI-02LFT	IDT	完全替代	VCXO JITTER ATTENUATOR & FEMTOCLOCK™ MULTIPLI

与813252CKI-02LF相关器件

型号	品牌	获取价格	描述	数据表
813252CKI-02LFT	IDT	获取价格	VCXO JITTER ATTENUATOR & FEMTOCLOCK™ MULTIPLI
813252CKI-02T	IDT	获取价格	VCXO JITTER ATTENUATOR & FEMTOCLOCK™ MULTIPLI
813252DKI-02LF	IDT	获取价格	Clock Generator, 312.5MHz, 5 X 5 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VHHD-2, VFQFN-
813252DKI-02LFT	IDT	获取价格	Clock Generator, 312.5MHz, 5 X 5 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-220VHHD-2, VFQFN-
813253AG	IDT	获取价格	Clock Generator, 340MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, TSSOP-24
813253AGLF	IDT	获取价格	Clock Generator, 340MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, TSSOP-24
813253AGT	IDT	获取价格	Clock Generator, 340MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, TSSOP-24
813253BGLF	IDT	获取价格	TSSOP-24, Tube
8132-AB3-D-B	UTC	获取价格	POWER RESET IC
8132-AB3-D-K	UTC	获取价格	POWER RESET IC

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