Datasheet > ICS843207-350

ICS843207-350

更新时间： 2024-11-03 05:12:19

品牌	Logo	应用领域
艾迪悌 - IDT		/
页数	文件大小	规格书
16页	266K
描述
FEMTOCLOCKS⑩ CRYSTAL-TO-LVPECL 350MHZ FREQUENCY MARGINING SYNTHESIZER

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中文翻译

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数据手册

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ICS843207-350 数据手册

FEMTOCLOCKS™ CRYSTAL-TO-LVPECL

350MHZ FREQUENCY MARGINING SYNTHESIZER

ICS843207-350

GENERAL DESCRIPTION

FEATURES

• Seven independently configurable LVPECL outputs at

87.5MHz, 175MHz or 350MHz

The ICS843207-350 is a low phase-noise

ICS

HiPerClockS™

frequency margining synthesizer that targets

clocking for high performance interfaces such

as SPI4.2 and is a member of the HiPerClockS™

family of high performance clock solutions from

• Individual high impedance control of each output

• Selectable crystal oscillator interface designed for 14MHz,

18pF parallel resonant crystal or LVCMOS single-ended input

IDT. In the default mode, each output can be configured

individually to generate an 87.5MHz, 175MHZ or 350MHz

LVPECL output clock signal from a 14MHz crystal input.

There is also a frequency margining mode available where

the device can be configured, using control pins, to vary

the output frequency up or down from nominal by 5%. The

ICS843207-350 is provided in a 48-pin LQFP package.

• Output frequency can be varied 5% from nominal

• VCO range: 620MHz - 750MHz

• Full 3.3V supply mode

• 0°C to 70°C ambient operating temperature

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

packages

PIN ASSIGNMENT

48 47 46 45 44 43 42 41 40 39 38 37

VCCA

VCC

VCCO

nQ6

VCCO

BLOCK DIAGRAM

nQ0

ICS843207-350

00 HiZ

01 ÷2

10 ÷8

11 ÷4

nQ1

V^EE

VCCO

48-Pin LQFP

7mm x 7mm x 1.4mm

package body

Y Package

V^EE

nQ0

VCCO

nQ5

Pullup

SEL[1:0]

Top View

nQ2

00 HiZ

01 ÷2

10 ÷8

11 ÷4

nQ4

nQ3

V^CCO

nQ1

V^CCO

13 14 15 16 17 18 19 20 21 22 23 24

SEL[3:2]

00 HiZ

01 ÷2

10 ÷8

11 ÷4

nQ2

SEL[5:4]

Pulldown

nPLL_SEL

XTAL_IN

14MHz

00 HiZ

01 ÷2

10 ÷8

11 ÷4

OSC

nQ3

XTAL_OUT

REF_CLK

SEL[7:6]

Phase

Detector

Predivider

÷2

VCO

620 - 750MHz

Pulldown

00 HiZ

01 ÷2

10 ÷8

11 ÷4

nQ4

Pulldown

nXTAL_SEL

Pullup

SEL[9:8]

÷50

÷95

00 HiZ

01 ÷2

10 ÷8

11 ÷4

nQ5

÷105

Pulldown

MODE

SEL[11:10]

MARGIN

00 HiZ

01 ÷2

10 ÷8

11 ÷4

To O/P Dividers

Pulldown

nQ6

SEL[13:12]

IDT^™/ ICS^™LVPECL FREQUENCY MARGINING SYNTHESIZER

ICS843207CY-350 REV. A DECEMBER 3, 2007

12 3 4 5 6 7...16

中文翻译

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与ICS843207-350相关器件

型号	品牌	获取价格	描述	数据表
ICS843207AY-350LF	IDT	获取价格	Clock Generator, 375MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-48
ICS843207AY-350LFT	IDT	获取价格	Clock Generator, 375MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, LQFP-48
ICS843207AY-350T	IDT	获取价格	Clock Generator, 375MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, LQFP-48
ICS843207CY-350LF	IDT	获取价格	Clock Generator, 375MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026, LQFP-48
ICS843207CY-350LFT	IDT	获取价格	Clock Generator, 375MHz, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026, LQFP-48
ICS84320A01N	IDT	获取价格	780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS84320AI01	ICSI	获取价格	780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL
ICS84320AK01	IDT	获取价格	780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS84320AK01	ICSI	获取价格	780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER
ICS84320AK-01	ICSI	获取价格	780MHZ, CRYSTAL-TO-3.3V DIFFERENTIAL LVPECL FREQUENCY SYNTHESIZER

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