Datasheet > ICS8422004-01I

ICS8422004-01I

更新时间： 2024-11-02 11:14:35

品牌	Logo	应用领域
矽成 - ICSI		/
页数	文件大小	规格书
13页	193K
描述
FEMTOCLOCKS? CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER

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中文翻译

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数据手册

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ICS8422004-01I 数据手册

PRELIMINARY

ICS8422004I-01

Integrated

Circuit

Systems, Inc.

FEMTOCLOCKS™ CRYSTAL-TO-

LVHSTL FREQUENCY SYNTHESIZER

GENERAL DESCRIPTION

FEATURES

• Four LVHSTL outputs (VOHmax = 1.2V)

The ICS8422004I-01 is a 4 output LVHSTL

ICS

HiPerClockS™

Synthesizer optimized to generate Ethernet

reference clock frequencies and is a member

of the HiPerClocks^TMfamily of high

performance clock solutions from ICS. Using

• Selectable crystal oscillator interface

or LVCMOS/LVTTL single-ended input

• Supports the following output frequencies: 156.25MHz,

125MHz, 62.5MHz

a 25MHz 18pF parallel resonant crystal, the following

frequencies can be generated based on the 2 frequency

select pins (F_SEL[1:0]): 156.25MHz, 125MHz and

• VCO range: 560MHz - 680MHz

62.5MHz. The ICS8422004I-01 uses ICS’ 3^rdgeneration • RMS phase jitter @ 156.25MHz, using a 25MHz crystal

low phase noise VCO technology and can achieve 1ps or

lower typical rms phase jitter, easily meeting Ethernet jitter

requirements. The ICS8422004I-01 is packaged in a small

24-pin TSSOP package.

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

• Power supply modes:

Core/Output

3.3V/1.8V

2.5V/1.8V

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

• Available in both standard and lead-free RoHS-compliant

packages

FREQUENCY SELECT FUNCTION TABLE

PIN ASSIGNMENT

nQ1

nQ2

Output

Frequency

(25MHz Ref.)

M Divider N Divider

M/N

Divider Value

V^DDO

F_SEL1 F_SEL0

Value

6.25

156.25

125

nQ0

nPLL_SEL

nQ3

GND

V^DD

nXTAL_SEL

TEST_CLK

GND

2.5

62.5

V^DDA

not used

F_SEL0

V^DD

XTAL_IN

F_SEL1

XTAL_OUT

ICS8422004I-01

24-LeadTSSOP

4.40mm x 7.8mm x 0.92mm

BLOCK DIAGRAM

F_SEL[1:0]

Pulldown

package body

Pulldown

nPLL_SEL

G Package

TopView

F_SEL[1:0]

nQ0

Pulldown

TEST_CLK

0 0 ÷4

0 1 ÷5

25MHz

XTAL_IN

1 0 ÷10

1 1 Not Used

nQ1

Phase

Detector

VCO

OSC

XTAL_OUT

Pulldown

nXTAL_SEL

nQ2

M = 25 (fixed)

nQ3

Pulldown

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.

8422004AGI-01

www.icst.com/products/hiperclocks.html

REV.B NOVEMBER 14, 2005

12 3 4 5 6 7...13

中文翻译

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与ICS8422004-01I相关器件

型号	品牌	获取价格	描述	数据表
ICS8422004AGI	ICSI	获取价格	FEMTOCLOCKS? LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422004AGI-01	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422004AGI-01LF	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422004AGI-01LFT	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422004AGI-01T	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422004AGILF	ICSI	获取价格	FEMTOCLOCKS? LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422004AGILFT	ICSI	获取价格	FEMTOCLOCKS? LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422004AGIT	ICSI	获取价格	FEMTOCLOCKS? LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422004I	ICSI	获取价格	FEMTOCLOCKS? LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8427-02	ICSI	获取价格	500MHZ, LOW JITTER LVCMOS/CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER

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