ICS843001AI22 datasheet(1/17 Pages) ICST

номер детали	ICS843001AI22

подробное описание детали	FEMTOCLOCKS??CRYSTAL/LVCMOS-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER

PDF	17 Pages

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производитель	ICST [Integrated Circuit Systems]

домашняя страница	http://www.icst.com

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843001AGI-22

www.icst.com/products/hiperclocks.html

REV. A AUGUST 1, 2005

1

Integrated

Circuit

Systems, Inc.

ICS843001I-22

FEMTOCLOCKS™CRYSTAL/LVCMOS-TO-

3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER

GENERAL DESCRIPTION

The ICS843001I-22 is a a highly versatile, low

phase noise LVPECL/LVCMOS Synthesizer

which can generate low jitter reference clocks for

a variety of communications applications and is

a member of the HiPerClocksTM family of high

performance clock solutions from ICS. The dual

crystal interface allows the synthesizer to support up to two

communications standards in a given application (i.e. 1GB

Ethernet with a 25MHz crystal and 1Gb Fibre Channel

using a 25.5625MHz cr ystal). The r ms phase jitter

performance is typically less than 1ps, thus making the

device acceptable for use in demanding applications such

as OC48 SONET and 10Gb Ethernet. The ICS843001I-22

is packaged in a small 24-pin TSSOP package.

FEATURES

• One 3.3V or 2.5V LVPECL output pair and

one LVCMOS/LVTTL output

• Selectable crystal oscillator interface

or LVCMOS/LVTTL single-ended input

• VCO range: 490MHz - 640MHz

• Output frequency range: 490MHz - 640MHz

• Supports the following applications:

SONET, Ethernet, Fibre Channel, Serial ATA, and HDTV

• RMS phase jitter @ 125MHz (1.875MHz - 20MHz):

0.5ps (typical)

• Full 3.3V or 2.5V supply modes

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

• Available in both, Standard and RoHS/Lead-Free

compliant packages

HiPerClockS™

ICS

PIN ASSIGNMENT

11

10

01

00

01

10

11

Phase

Detector

VCO

490MHz -640MHz

000 ÷18

001 ÷22

010 ÷24

011 ÷25

100 ÷32 (default)

101 ÷40

N

000

÷1

001

÷2

010

÷3

011

÷4 (default)

100

÷5

101

÷6

110

÷8

111

÷10

M

3

OSC

ICS843001I-22

24-Lead TSSOP

4.40mm x 7.8mm x 0.92mm

package body

G Package

Top View

VCCO_LVCMOS

N0

N1

N2

VCCO_LVPECL

Q

nQ

VEE

VCCA

VCC

XTAL_OUT1

XTAL_IN1

1

2

3

4

5

6

7

8

9

10

11

12

REF_OUT

VEE

OE

M2

M1

M0

MR

SEL1

SEL0

CLK

XTAL_IN0

XTAL_OUT0

24

23

22

21

20

19

18

17

16

15

14

13

BLOCK DIAGRAM

N2:N0

SEL0

SEL1

XTAL_IN0

XTAL_OUT0

XTAL_IN1

XTAL_OUT1

CLK

MR

M2:M0

OE

Q

nQ

Pulldown

REF_OUT

CONTROL INPUT FUNCTION TABLE

Pullup/Pulldown

t

u

p

n

I

l

o

r

t

n

o

Cs

t

u

p

t

u

O

E

OQ

n

/

QT

U

O

_

F

E

R

0Z

-

h

g

i

HZ

-

h

g

i

H

1Z

-

h

g

i

He

v

i

t

c

A

T

A

O

L

Fe

v

i

t

c

AZ

-

h

g

i

H

Аналогичный номер детали - ICS843001AI22

производитель	номер детали	датащи	подробное описание детали
Integrated Circuit Syst...	ICS843001AI23	192Kb / 15P	FEMTOCLOCKS??CRYSTAL-TO-3.3V LVPECL/LVCMOS FREQUENCY SYNTHESIZER REV. B JANUARY 6, 2006

More results

Аналогичное описание - ICS843001AI22

производитель	номер детали	датащи	подробное описание детали
Integrated Circuit Syst...	ICS843004	299Kb / 16P	FEMTOCLOCKS??LVCMOS/CRYSTAL-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER REV. A NOVEMBER 18, 2004
	ICS843003	295Kb / 17P	FEMTOCLOCKS CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER REV. A JULY 27, 2004
	ICS843001I-23	192Kb / 15P	FEMTOCLOCKS??CRYSTAL-TO-3.3V LVPECL/LVCMOS FREQUENCY SYNTHESIZER REV. B JANUARY 6, 2006
	ICS843002I	211Kb / 16P	FEMTOCLOCKS-TM CRYSTAL-TO-3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
	ICS843002I-01	208Kb / 15P	FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER
	ICS843004I	256Kb / 15P	FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER REV. A FEBRUARY 11, 2005
	ICS843004I-01	254Kb / 14P	FEMTOCLOCKS-TM CRYSTAL-TO- 3.3V, 2.5V LVPECL FREQUENCY SYNTHESIZER REV. A FEBRUARY 11, 2005
	ICS843004I-04	186Kb / 14P	FEMTOCLOCKS-TM CRYSTAL/LVCMOS-TO- 3.3V LVPECL FREQUENCY SYNTHESIZER REV. A FEBRUARY 15, 2006
	ICS843252	196Kb / 15P	FEMTOCLOCKS??CRYSTAL-TO-3.3V LVPECL FREQUENCY SYNTHESIZER REV. A NOVEMBER 9, 2005
Renesas Technology Corp	843004	356Kb / 20P	FemtoClocks™ LVCMOS/Crystal-to-3.3V LVPECL Frequency Synthesizer 5/26/15

More results

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