Datasheet > ICS843003

ICS843003

更新时间： 2024-11-01 21:53:55

品牌	Logo	应用领域
矽成 - ICSI		/
页数	文件大小	规格书
17页	295K
描述
FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER

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中文翻译

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数据手册

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ICS843003 数据手册

ICS843003

Integrated

Circuit

Systems, Inc.

FEMTO

LOCKS™ C RYSTAL

TO-3.3V LVPECL

REQUENCY

YNTHESIZER

GENERAL DESCRIPTION

FEATURES

• Three 3.3V LVPECL outputs on two banks, A Bank with

one LVPECL pair and B Bank with 2 LVPECL output pairs

The ICS843003 is a 3 differential output LVPECL

ICS

Synthesizer designed to generate Ethernet refer-

ence clock frequencies and is a member of the

HiPerClocks™family of high performance clock

solutions from ICS. Using a 31.25MHz or

HiPerClockS™

• Using a 31.25MHz or 26.041666 crystal, the two output

banks can be independently set for 625MHz, 312.5MHz,

156.25MHz or 125MHz

• Selectable crystal oscillator interface or LVCMOS/LVTTL

single-ended input

• VCO range: 560MHz to 700MHz

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

0.51ps (typical)

26.041666MHz, 18pF parallel resonant crystal, the following fre-

quencies can be generated based on the settings of 4 frequency

select pins (DIV_SEL[A1:A0], DIV_SEL[B1:B0]): 625MHz,

312.5MHz, 156.25MHz, and 125MHz.The 843003 has 2 output

banks, Bank A with 1 differential LVPECL output pair and Bank

B with 2 differential LVPECL output pairs.

• RMS phase noise at 156.25MHz

Phase noise:

The two banks have their own dedicated frequency select pins

and can be independently set for the frequencies mentioned

above.The ICS843003 uses ICS’3rd generation low phase noise

VCO technology and can achieve 1ps or lower typical rms phase

jitter, easily meeting Ethernet jitter requirements.The ICS843003

is packaged in a small 24-pin TSSOP package.

Offset

Noise Power

100Hz ............... -96.8 dBc/Hz

1KHz ..............-119.1 dBc/Hz

10KHz ..............-126.4 dBc/Hz

100KHz ..............-127.0 dBc/Hz

• Full 3.3V supply mode

• 0°C to 70°C ambient operating temperature

• Industrial temperature available upon request

PIN ASSIGNMENT

DIV_SELB0

VCO_SEL

DIV_SELB1

V^CCO_B

QB0

V^CCO_A

nQB0

QB1

nQB1

XTAL_SEL

TEST_CLK

QA0

nQA0

OEB

OEA

FB_DIV

XTAL_IN

XTAL_OUT

V^EE

V^CCA

VCC

DIV_SELA1

DIV_SELA0

BLOCK DIAGRAM

ICS843003

24-LeadTSSOP

Pullup

OEA

4.40mm x 7.8mm x 0.92mm

DIV_SELA[1:0]

package body

Pullup

VCO_SEL

G Package

TopView

QA0

0 0 ÷1

nQA0

Pulldown

0 1 ÷2 (default)

1 0 ÷4

TEST_CLK

XTAL_IN

1 1 ÷5

Phase

Detector

VCO

625MHz

OSC

XTAL_OUT

XTAL_SEL

Pullup

QB0

FB_DIV

0 0 ÷1

nQB0

0 1 ÷2

0 = ÷20 (default)

1 = ÷24

1 0 ÷4 (default)

1 1 ÷5

QB1

Pulldown

FB_DIV

DIV_SELB[1:0]

nQB1

Pulldown

Pullup

OEB

843003AG

www.icst.com/products/hiperclocks.html

REV. A JULY 27, 2004

12 3 4 5 6 7...17

中文翻译

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与ICS843003相关器件

型号	品牌	获取价格	描述	数据表
ICS843003AG	ICSI	获取价格	FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843003AG	ICSI	获取价格	FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843003AGI-01	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843003AGI-01LF	IDT	获取价格	Clock Generator, 680MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, T
ICS843003AGI-01LFT	IDT	获取价格	Clock Generator, 680MHz, PDSO24, 4.40 X 7.80 MM, 0.92 MM HEIGHT, ROHS COMPLIANT, MO-153, T
ICS843003AGI-01T	ICSI	获取价格	FEMTOCLOCKS-TM CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843003AGLF	IDT	获取价格	Clock Generator, 700MHz, PDSO24, 4.40 X 7.80 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153,
ICS843003AGLFT	IDT	获取价格	Clock Generator, 700MHz, PDSO24, 4.40 X 7.80 MM, 0.925 MM HEIGHT, ROHS COMPLIANT, MO-153,
ICS843003AGT	ICSI	获取价格	FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER
ICS843003AGT	ICSI	获取价格	FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER

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