840022AGLFT Datasheet 840022AGLF, 840022AGLFT | P1-P3

FEMTOCLOCKS™ CRYSTAL-TO-

LVCMOS/LVTTL CLOCK GENERATOR

ICS840022

IDT

™

/ ICS

™

LVCMOS/LVTTL CLOCK GENERATOR 1 ICS840022AG REV. A JANUARY 26, 2007

PRELIMINARY

GENERAL DESCRIPTION

The ICS840022 is a Gigabit Ethernet Clock

Generator and a member of the HiPerClocks

family of high performance devices from IDT.

The ICS840022 uses a 25MHz crystal to syn-

thesize 125MHz or 62.5MHz. The ICS840022 has

excellent phase jitter performance, over the 1.875MHz – 20MHz

integration range. The ICS840022 is packaged in a small 8-pin

TSSOP, making it ideal for use in systems with limited board

space.

FEATURES

• One LVCMOS/LVTTL output, 7Ω output impedence

• Crystal oscillator interface designed for 25MHz,

18pF parallel resonant crystal

• Output frequencies: 125MHz or 62.5MHz (selectable)

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

(1.875MHz - 20MHz): 0.55ps (typical)

• RMS phase noise at 125MHz:

Offset Noise Power

100Hz ............. -106.3 dBc/Hz

1kHz ............. -126.3 dBc/Hz

10kHz ............. -131.7 dBc/Hz

100kHz ............. -130.8 dBc/Hz

• 3.3V operating supply

• 0°C to 70°C ambient operating temperature

• Available in both standard (RoHS 5) and lead-free (RoHS 6)

packages

• Industrial temperature information available upon request

HiPerClockS™

ICS

ICS840022

8-Lead TSSOP

4.40mm x 3.0mm x 0.925mm

package body

G Package

Top View

VDDA

XTAL_OUT

XTAL_IN

VDD

GND

FREQ_SEL

BLOCK DIAGRAM PIN ASSIGNMENT

OSC

Phase

Detector

VCO

560MHz-680MHz

w/25MHz Ref.

M = ÷25 (fixed)

÷10

÷5

XTAL_IN

XTAL_OUT

FREQ_SEL

stupnI

seicneuqerFtuptuO

)latsyrczHM52ahtiw(

LES_QERF

0zHM521

1zHM5.26

FUNCTION TABLE

The Preliminary Information presented herein represents a product in pre-production. The noted characteristics are based on initial product characterization

and/or qualification. Integrated Device Technology, Incorporated (IDT) reserves the right to change any circuitry or specifications without notice.

IDT

™

/ ICS

™

LVCMOS/LVTTL CLOCK GENERATOR 2 ICS840022AG REV. A JANUARY 26, 2007

ICS840022

FEMTOCLOCKS™ CRYSTAL-TO-LVCMOS/LVTTL CLOCK GENERATOR PRELIMINARY

TABLE 2. PIN CHARACTERISTICS

TABLE 1. PIN DESCRIPTIONS

lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU

ecnaticapaCtupnI 4Fp

ecnaticapaCnoitapissiDrewoPV

ADD

V564.3=DBTFp

PULLUP

rotsiseRpulluPtupnI 15kΩ

NWODLLUP

rotsiseRnwodlluPtupnI 15kΩ

TUO

ecnadepmItuptuO 7

TABLE 3. CONROL FUNCTION TABLE

stupnIlortnoCtuptuO

EOQ

0Z-iH

1evitcA

rebmuNemaNepyTnoitpircseD

ADD

rewoP.nipylppusgolanA

2EOtupnIpulluP

.delbanesituptuo0Q,HGIHnehW.nipelbanetuptuO

.slevelecafretniLTTVL/SOMCV

L.etatsZiHot0Qsecrof,WOLnehW

4,3

,TUO_LATX

NI_LATX

tupnI

,tupniehtsiNI_LATX.ecafretnirotallicsolatsyrC

.tup

tuoehtsiTUO_LATX

5LES_QERFtupnInwodlluP.slevelecafretniLTTVL/SOMCVL.niptcelesycneuqerF

6DNGrewoP.dnuorgylppusr

ewoP

7Q tuptuO

.slevelecafretniLTTVL/SOMCVL.tuptuokcolcdedne-elgniS

7Ω .ecnedepmituptuo

rewoP.nipylppuseroC

:ETON pulluP dna nwodlluP .seulavlacipytrof,scitsiretcarahCniP,2elbaTeeS.srotsisertupni

lanretniotrefer

IDT

™

/ ICS

™

LVCMOS/LVTTL CLOCK GENERATOR 3 ICS840022AG REV. A JANUARY 26, 2007

ICS840022

FEMTOCLOCKS™ CRYSTAL-TO-LVCMOS/LVTTL CLOCK GENERATOR PRELIMINARY

TABLE 4A. POWER SUPPLY DC CHARACTERISTICS, V

= V

DDA

= 3.3V±5%, TA = 0°C TO 70°C

lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU

egatloVylppuSeroC 531.33.3564.3V

ADD

egatloVylppuSgolanA 531.33.3564.3V

tnerruCylppuSrewoP 54Am

ADD

tnerruCylppuSgolanA 8

TABLE 5. CRYSTAL CHARACTERISTICS

ABSOLUTE MAXIMUM RATINGS

Supply Voltage, V

4.6V

Inputs, V

-0.5V to V

+ 0.5 V

Outputs, V

-0.5V to V

+ 0.5V

Package Thermal Impedance, θ

101.7°C/W (0 mps)

Storage Temperature, T

STG

-65°C to 150°C

NOTE: Stresses beyond those listed under Absolute

Maximum Ratings may cause permanent damage to the

device. These ratings are stress specifications only. Functional op-

eration of product at these conditions or any conditions beyond

those listed in the DC Characteristics or AC Characteristics is not

implied. Exposure to absolute maximum rating conditions for ex-

tended periods may affect product reliability.

TABLE 4B. LVCMOS/LVTTL DC CHARACTERISTICS, V

= V

DDA

= 3.3V±5%, TA = 0°C TO 70°C

lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU

egatloVhgiHtupnI 2V

3.0+V

egatloVwoLtupnI 3.0-8.0V

tnerruChgiHtupnI

EOV

V564.3=5Aµ

LES_QERFV

V564.3=051Aµ

tnerruCwoLtupnI

EOV

V,V564.3=

V0=051-Aµ

LES_QERFV

V,V564.3=

V0=5-Aµ

1ETON;egatloVhgiHtuptuO 6.2V

1ETON;egatloVwoLtuptuO 5.0V

05htiwdetanimretstuptuO:1ETON Ω Vot

,noitceSnoitamrofnItnemerusaeMretemaraPeeS.2/

."tiucriCtseTdaoLtuptuOV3.3"

retemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU

noitallicsOfoedoM latnemadnuF

ycneuqerF 52zHM

)RSE(ecnatsiseRs

eireStnelaviuqE 05

ecnaticapaCtnuhS 7Fp

TABLE 6. AC CHARACTERISTICS, V

= V

DDA

= 3.3V±5%, TA = 0°C TO 70°C

lobmySretemaraPsnoitidnoCtseTmuminiMlacipyTmumixaMstinU

TUO

ycneuqerFtuptuO

521zHM

5.26zHM

t )Ø(tij1ETON;rettiJesahPSMR

:egnaRnoitargretnI(,zHM521

)zHM02-zHM578.1

55.0sp

:eg

naRnoitargretnI(,zHM5.26

)zHM02-zHM578.1

05.0sp

emiTllaF/esiRtuptuO%08ot%02053sp

cdoelcyCytuDtuptuO 05%

.tolPesioNesahPehtotreferesaelP:1ETON

P1-P3 P4-P6 P7-P9 P10-P12

840022AGLFT

Mfr. #:

Buy 840022AGLFT

Manufacturer:

Description:

IC CLOCK GENERATOR 16-TSSOP

Lifecycle:

New from this manufacturer.

Delivery:

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840022AGLFT

840022AGLFT

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