Datasheet > ICS8422002AGI-01T

ICS8422002AGI-01T

更新时间： 2024-11-02 04:58:15

品牌	Logo	应用领域
矽成 - ICSI		晶体外围集成电路光电二极管时钟
页数	文件大小	规格书
13页	195K
描述
FEMTOCLOCKS⑩ CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER

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PRELIMINARY

ICS8422002I-01

Integrated

Circuit

Systems, Inc.

FEMTOCLOCKS™ CRYSTAL-TO-

LVHSTL FREQUENCY SYNTHESIZER

GENERAL DESCRIPTION

FEATURES

The ICS8422002I-01 is a 2 output LVHSTL • Two LVHSTL outputs (VOHmax = 1.2V)

ICS

HiPerClockS™

Synthesizer optimized to generate Ethernet

• Selectable crystal oscillator interface

reference clock frequencies and is a member of

or LVCMOS/LVTTL single-ended input

the HiPerClocks^TMfamily of high performance

clock solutions from ICS. Using a 25MHz 18pF

• Supports the following output frequencies: 156.25MHz,

125MHz, 62.5MHz

parallel resonant crystal, the following frequencies can be

generated based on the 2 frequency select pins (F_SEL[1:0]):

156.25MHz, 125MHz and 62.5MHz. The ICS8422002I-01

uses ICS’ 3^rdgeneration low phase noise VCO technology

and can achieve 1ps or lower typical rms phase jitter, easily

meeting Ethernet jitter requirements.The ICS8422002I-01 is

packaged in a small 20-pin TSSOP package.

• VCO range: 560MHz - 680MHz

• RMS phase jitter @ 156.25MHz, using a 25MHz crystal

(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

V^DDO

Output Frequency

M Divider N Divider

nQ1

(25MHz Ref.)

F_SEL1 F_SEL0

GND

V^DD

nQ0

Value

156.25

125

nXTAL_SEL

TEST_CLK

XTAL_IN

XTAL_OUT

F_SEL1

nPLL_SEL

V^DDA

F_SEL0

V^DD

62.5

not used

ICS8422002I-01

20-Lead TSSOP

6.5mm x 4.4mm x 0.92mm

BLOCK DIAGRAM

F_SEL[1:0]

package body

G Package

Top View

Pulldown

nPLL_SEL

F_SEL[1:0]

0 0 ÷4

nQ0

Pulldown

TEST_CLK

0 1 ÷5

25MHz

XTAL_IN

1 0 ÷10

1 1 Not Used

Phase

Detector

VCO

OSC

nQ1

XTAL_OUT

Pulldown

nXTAL_SEL

M = 25 (fixed)

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.

8422002AGI-01

www.icst.com/products/hiperclocks.html

REV.B NOVEMBER 14, 2005

12 3 4 5 6 7...13

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与ICS8422002AGI-01T相关器件

型号	品牌	获取价格	描述	数据表
ICS8422002AGILF	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422002AGILFT	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422002AGIT	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422002I	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
ICS8422002I-01	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-LVHSTL FREQUENCY SYNT
ICS8422002I-01	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TOLVHSTL FREQUENCY SYNTH
ICS8422004-01I	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO-LVHSTL FREQUENCY SYNTHESIZER
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

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