Datasheet > ICS843021

ICS843021

更新时间： 2024-11-02 11:14:39

品牌	Logo	应用领域
矽成 - ICSI		时钟发生器
页数	文件大小	规格书
13页	188K
描述
FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR

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ICS843021 数据手册

ICS843021

FEMTOCLOCKS™ CRYSTAL-TO-

3.3V LVPECL CLOCK GENERATOR

Integrated

Circuit

Systems, Inc.

GENERAL DESCRIPTION

FEATURES

The ICS843021 is a Gigabit Ethernet Clock • 1 differential 3.3V LVPECL output

ICS

Generator and a member of the HiPerClocks^TM

family of high performance devices from ICS.The

ICS843021 uses a 25MHz crystal to synthesize

125MHz.The ICS843021 has excellent phase jitter

• Crystal oscillator interface designed for 22.4MHz - 28MHz,

18pF parallel resonant crystal

HiPerClockS™

• Output frequency range: 112MHz - 140MHz

• VCO range: 560MHz to 700MHz

• Output duty cycle range: 49% - 51%

performance, over the 1.875MHz – 20MHz integration range.

The ICS843021 is packaged in a small 8-pin TSSOP, making it

ideal for use in systems with limited board space.

• RMS phase jitter @ 125MHz, using a 25MHz crystal

(1.875MHz - 20MHz): 0.37ps (typical)

• RMS phase noise at 125MHz (typical)

Offset

Noise Power

100Hz ............... -94.2 dBc/Hz

1KHz ..............-122.8 dBc/Hz

10KHz ..............-132.2 dBc/Hz

100KHz ..............-131.3 dBc/Hz

• 3.3V operating supply

• 0°C to 70°C ambient operating temperature

• Industrial temperature information available upon request

• Lead-Free package fully RoHS compliant

FREQUENCY TABLE - TYPICAL APPLICATIONS

Inputs

Output Frequency (MHz)

Crystal Frequency (MHz)

125

133

26.6

BLOCK DIAGRAM

PIN ASSIGNMENT

VCCA

VEE

VCC

25MHz

XTAL_IN

nQ0

XTAL_OUT

XTAL_IN

nQ0

Phase

Detector

÷5

OSC

VCO

XTAL_OUT

ICS843021

÷25

(fixed)

8-Lead TSSOP

4.40mm x 3.0mm x 0.925mm package body

G Package

TopView

843021AG

www.icst.com/products/hiperclocks.html

REV. C MARCH 31, 2005

12 3 4 5 6 7...13

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与ICS843021相关器件

型号	品牌	获取价格	描述	数据表
ICS843021AG	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR
ICS843021AG-57LF	IDT	获取价格	Clock Generator, 133MHz, PDSO8, 4.40 X 3 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153, TSSO
ICS843021AGI-01	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V 125MHZ LVPECL CLOCK GENERATOR
ICS843021AGI-01	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V, 2.5V LVPECL CLO
ICS843021AGI-01LF	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V, 2.5V LVPECL CLO
ICS843021AGI-01LFT	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V, 2.5V LVPECL CLO
ICS843021AGI-01T	IDT	获取价格	FEMTOCLOCKS⑩ CRYSTAL-TO-3.3V, 2.5V LVPECL CLO
ICS843021AGI-01T	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V 125MHZ LVPECL CLOCK GENERATOR
ICS843021AGLF	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR
ICS843021AGLFT	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V LVPECL CLOCK GENERATOR