Datasheet > ICS840002AI01

ICS840002AI01

更新时间： 2024-11-14 02:56:27

品牌	Logo	应用领域
矽成 - ICSI		/
页数	文件大小	规格书
12页	207K
描述
FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER

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ICS840002AI01 数据手册

ICS840002I-01

FEMTOCLOCKS™ CRYSTAL-TO-

LVCMOS/LVTTL FREQUENCY SYNTHESIZER

Integrated

Circuit

Systems, Inc.

GENERAL DESCRIPTION

FEATURES

• Two LVCMOS/LVTTL outputs @ 3.3V,

The ICS840002I-01 is a 2 output LVCMOS/LVTTL

17Ω typical output impedance

• Selectable crystal oscillator interface

or LVCMOS single-ended input

ICS

Synthesizer optimized to generate Ethernet

reference clock frequencies and is a member of

the HiPerClocks^TMfamily of high performance

clock solutions from ICS. Using a 25MHz 18pF

HiPerClockS™

• Supports the following output frequencies:

156.25MHz, 125MHz and 62.5MHz

parallel resonant crystal, the following frequencies can be

generated based on the 2 frequency select pins (F_SEL1:0):

156.25MHz, 125MHz, and 62.5MHz.The ICS840002I-01 uses

ICS’ 3^rdgeneration low phase noise VCO technology and can

achieve 1ps or lower typical random rms phase jitter, easily

meeting Ethernet jitter requirements. The ICS840002I-01 is

packaged in a small 16-pin TSSOP package.

• Output frequency range: 56MHz - 175MHz

• VCO range: 560MHz - 700MHz

• Output skew: 12ps (maximum)

• RMS phase jitter at 156.25MHz (1.875MHz - 20MHz):

0.47ps (typical)

Phase noise:

Offset

Noise Power

100Hz ............... -97.4 dBc/Hz

1KHz ..............-120.2 dBc/Hz

10KHz ..............-127.6 dBc/Hz

100KHz ..............-126.1 dBc/Hz

• Power supply modes:

Core/Output

3.3V/3.3V

3.3V/2.5V

2.5V/2.5V

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

• Lead-Free package RoHS compliant

FREQUENCY SELECT FUNCTION TABLE

Inputs

Output Frequency

(25MHz Ref.)

F_SEL1 F_SEL0 M Divider Value N Divider Value

156.25

125

62.5

125

BLOCK DIAGRAM

PIN ASSIGNMENT

Pullup

F_SEL0

nXTAL_SEL

TEST_CLK

nPLL_SEL

V^DDA

F_SEL1

GND

V^DDO

XTAL_IN

XTAL_OUT

Pullup:Pullup

F_SEL1:0

Pulldown

nPLL_SEL

Pulldown

nXTAL_SEL

25MHz

XTAL_IN

VDD

F_SEL1:0

OSC

ICS840002I-01

16-LeadTSSOP

4.4mm x 5.0mm x 0.92mm

package body

0 0 ÷4

XTAL_OUT

0 1 ÷5

1 0 ÷10

1 1 ÷5

Phase

Detector

Pulldown

TEST_CLK

VCO

G Package

Top View

M = ÷25 (fixed)

Pulldown

840002AGI-01

www.icst.com/products/hiperclocks.html

REV. A MARCH 3, 2005

12 3 4 5 6 7...12

中文翻译

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与ICS840002AI01相关器件

型号	品牌	获取价格	描述	数据表
ICS840002BG-32	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
ICS840002BG-32LF	IDT	获取价格	Clock Generator, 212.5MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
ICS840002BG-32LFT	IDT	获取价格	Clock Generator, 212.5MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, MO-153, TSSOP-8
ICS840002BG-32T	ICSI	获取价格	FEMTOCLOCKS? CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
ICS840002I-01	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENC
ICS840002I-01	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENC
ICS840004	ICSI	获取价格	FEMTOCLOCKS CRYSTAL-TO LVCMOS/LVTTL FREQUENCY SYNTHESIZER
ICS840004-01	ICSI	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO LVCMOS/LVTTL FREQUENC
ICS840004-01LF	IDT	获取价格	PLL/Frequency Synthesis Circuit
ICS840004-01LFT	IDT	获取价格	PLL/Frequency Synthesis Circuit

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