Datasheet > 843252AGI-04T

843252AGI-04T

更新时间： 2024-11-04 05:05:51

品牌	Logo	应用领域
艾迪悌 - IDT		光电二极管
页数	文件大小	规格书
14页	250K
描述
Clock Generator, 187.5MHz, PDSO16, 4.40 X 5 MM, 0.92 MM HEIGHT, MO-153, TSSOP-16

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843252AGI-04T 数据手册

PRELIMINARY

FEMTOCLOCKS™ CRYSTAL-TO-

3.3V LVPECL CLOCK GENERATOR

ICS843252I-04

GENERAL DESCRIPTION

FEATURES

The ICS843252I-04 is a 10Gb/12Gb Ethernet Clock

• Two differential 3.3V LVPECL output

ICS

HiPerClockS™

Generator and a member of the HiPerClocks^TMfamily

of high performance devices from IDT. The

ICS843252I-04 can synthesize 10 Gigabit Ethernet

and 12 Gigabit Ethernet with a 25MHz crystal. It

• Crystal oscillator interface designed for

18pF parallel resonant crystals

• Crystal input frequency range: 19.33MHz - 30MHz

• Output frequency range: 145MHz - 187.5MHz

• VCO frequency range: 580MHz - 750MHz

can also generate SATA and 10Gb Fibre Channel reference

clock frequencies with the appropriate choice of crystals. The

ICS843252I-04 has excellent phase jitter performance and is

packaged in a small 16-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

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

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

packages

CONFIGURATION TABLE WITH 25MHZ CRYSTAL

Inputs

Crystal Frequency

25MHz

Feedback Divide

VCO Frequency

750MHz

N Output Divide

Output Frequency Application

÷30

÷25

÷4

187.5MHz

12 Gigabit Ethernet

10 Gigabit Ethernet

25MHz

625MHz

156.25MHz

CONFIGURATION TABLE WITH SELECTABLE CRYSTALS

Inputs

Crystal Frequency Feedback Divide VCO Frequency N Output Divide

Output Frequency Application

20MHz

21.25MHz

24MHz

÷30

÷25

600MHz

637.5MHz

600MHz

÷4

150MHz

159.375MHz

150MHz

SATA

10 Gigabit Fibre Channel

SATA

25.5MHz

30MHz

637.5MHz

750MHz

159.375MHz

187.5MHz

10 Gigabit Fibre Channel

12 Gigabit Ethernet

BLOCK DIAGRAM

PIN ASSIGNMENT

Pullup

nQ1

V^CCO

XTAL_IN

XTAL_OUT

V^EE

REF_CLK

CLK_SEL

V^CC

Pulldown

nPLL_SEL

Pulldown

REF_CLK

nPLL_SEL

V^CCO

DIV. N

÷4

nQ0

VCCA

FREQ_SEL

XTAL_IN

OSC

nQ0

VCO

Phase

Detector

580MHz-750MHz

nQ1

ICS843252I-04

16-Lead TSSOP

4.4mm x 5.0mm x 0.92mm

package body

XTAL_OUT

Pulldown

CLK_SEL

0 = ÷25 (default)

G Package

Top View

1 = ÷30

Pulldown

FREQ_SEL

The Preliminary Information presented herein represents a product in pre-production.The noted characteristics are based on initial product characterization

and/or qualification.Integrated DeviceTechnology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.

IDT^™/ ICS^™3.3V LVPECL CLOCK GENERATOR

843252AGI-04 REV. A JUNE 1, 2007

12 3 4 5 6 7...14

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与843252AGI-04T相关器件

型号	品牌	获取价格	描述	数据表
843252AGLF	IDT	获取价格	FemtoClock Crystal-to- 3.3V LVPECL Frequency Synthesizer
843252AGLFT	IDT	获取价格	FemtoClock Crystal-to- 3.3V LVPECL Frequency Synthesizer
843253AGI-45LF	IDT	获取价格	Clock Generator, 156.25MHz, PDSO16, 4.40 X 5 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153,
843253AGI-45LFT	IDT	获取价格	Clock Generator, 156.25MHz, PDSO16, 4.40 X 5 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153,
843256AGI-45LF	IDT	获取价格	Clock Generator, 156.25MHz, PDSO24, 5 X 4.40 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, TSSOP-24
843256AGI-45LFT	IDT	获取价格	Clock Generator, 156.25MHz, PDSO24, 5 X 4.40 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, TSSOP-24
843256AGILF	IDT	获取价格	Clock Generator
843256AGILFT	IDT	获取价格	Clock Generator
843256AGLF	IDT	获取价格	Clock Generator, PDSO24
843256AGLFT	IDT	获取价格	Clock Generator, PDSO24

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