9FG104DFILF datasheet(6/17 Pages) IDT

6 / 17 page

IDT®

Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA

1541C—12/16/10

ICS9FG104D

Frequency Generator for CPU, QPI, FBD, PCIe Gen 2 & SATA

Electrical Characteristics - REF-14.318/25 MHz

TA = TAM BIENT; VDD = 3.3 V +/-5%;RS=33Ω CL = 5 pF (unless otherwise specified)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS Notes

Long Accuracy

ppm

see Tperiod min-max values

ppm

1,2

14.318MHz output nominal

1,2

25.000MHz output nominal

1,2

Output High Voltage

VOH

IOH = -1 mA

2.4

Output Low Voltage

VOL

IOL = 1 mA

0.4

Output High Current

IOH

VOH @MIN = 1.0 V,

VOH@MAX = 3.135 V

-29

-23

Output Low Current

IOL

VOL @MIN = 1.95 V,

VOL @MAX = 0.4 V

Rise Time

tr1

VOL = 0.4 V, VOH = 2.4 V

1.6

2.5

Fall Time

tf1

VOH = 2.4 V, VOL = 0.4 V

1.6

2.5

1,2

Duty Cycle

dt1

VT = 1.5 V

52.5

1,2

Jitter

tjcyc-cycCOM

VT = 1.5 V (commerical)

150

200

Jitter

tjcyc-cycIND

VT = 1.5 V (commerical)

400

600

1Guaranteed by design and characterization, not 100% tested in production.

69.8413

40.0000

2 Trim capacitors must be used to tune the REF to the exact Crystal Frequency.

Clock period

Tperiod

Electrical Characteristics - Differential Phase Jitter Parameters

PARAMETER

Symbol

Conditions

Min

Typ

Max

Units

Notes

tjphasePLL

PCIe Gen 1

ps (p-p)

1,2

tjphaseLo

PCIe Gen 2

10kHz < f < 1.5MHz

1.2

(RMS)

1,2

tjphaseHigh

PCIe Gen 2

1.5MHz < f < Nyquist (50MHz)

2.2

3.1

(RMS)

1,2

tjphQPI

QPI 133MHz 4.8G/6.4Gb,12UI

0.25/0.2

0.5

(RMS)

1,3

tjphFBD3.2G

FBD specs

(11 to 33MHz)

2.2

(RMS)

tjphFBD4.8G

FBD specs

(11 to 33MHz)

1.8

2.5

(RMS)

1Guaranteed by design and characterization, not 100% tested in production.

2See http://www.pcisig.com for compelte specs

3First number is 4.8G link speed, second number is 6.4G link speed. From Intel Clock Jit tool 1.5.1

Jitter, Phase

9FG104DFILF Datasheet(PDF) 6 Page - Integrated Device Technology

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