XUH318 datasheet(3/12 Pages) IDT

Part #	XUH318

Description	IDT XO LVPECL Crystal Oscillator

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Manufacturer	IDT [Integrated Device Technology]

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JUNE 20, 2017

3

IDT XO LVPECL CRYSTAL OSCILLATOR

XUQ DATASHEET

DC Characteristics

(VDD = 3.3V ±5%, TA = - 20°C to +70°C; -40° to +85°C). Below are guaranteed for listed standard frequencies.

* A pullup resistor from pin 6 (VDD) to pin 1 (E/D) enables output when pin 1 is left open.

AC Characteristics

(VDD = 3.3V ±5%, TA = - 20°C to +70°C; -40° to +85°C). Below are guaranteed for listed standard frequencies.

Note: Inclusive of initial frequency accuracy, operating temperature range, supply variation, load variation, 3 times solder reflow, shock, vibration and 1 year aging at 25°C. We do not

recommend hand soldering the devices.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Power Supply Current

IDD

<212.5MHz

>212.5MHz

115

128

mA

Output HIGH Voltage

VOH

Std LVPECL load

1.85

2.3

V

Output LOW Voltage

VOL

Std LVPECL load

1.1

1.65

V

Enable/Disable Input HIGH Voltage

(Output enabled)*

VIH

70%VDD

V

Enable/Disable Input LOW Voltage

(Output disabled)

VIL

30%VDD

V

Parameter

Symbol

Condition

Min

Typ

Max

Units

Output Frequency Range

FOUTR

0.016

670

MHz

Frequency Stability

Temperature = -20°C to +70°C

±20

±100

ppm

Temperature = -40°C to +85°C

±25

±100

ppm

Aging (1st year)

Ta = 25°C

3

ppm

Aging (10 years)

Ta = 25°C

10

ppm

Output Load

To VDD-2.0V

50

Ohms

Start-up Time

TST

Output valid time after VDD meets

minimum specified level

10

ms

Output Rise Time

20% to 80% VPP, Std frequencies

400

ps

Output Fall Time

80% to 20% VPP, Std frequencies

400

ps

Output Clock Duty Cycle

TDTCY

50% VPP

<312.5MHz

>312.5MHz

45

40

55

60

%

Output Enable/ Disable Time

TOE

100

ns

Period Jitter, RMS

JPER

Frequency = 156.25MHz

1.8

7

ps

Random Jitter

RJ

Frequency = 156.25MHz

Per MJSQ spec (Methodologies for

Jitter and Signal Quality specifications)

0.7

1.8

ps

Deterministic Jitter

DJ

824

ps

Total Jitter

TJ

18

42

ps

Phase Jitter (12kHz – 20MHz)



JITTER

Standard frequencies at 25°C, 3.3V

300

400

fs

Phase Noise Performance

Frequency = 156.25MHz



NOISE

100Hz of Carrier

-95

dBc/Hz

1kHz of Carrier

-115

dBc/Hz

10kHz of Carrier

-120

dBc/Hz

100kHz of Carrier

-129

dBc/Hz

1MHz of Carrier

-149

dBc/Hz

10MHz of Carrier

-156

dBc/Hz

Output Frequency (Standards)

FOUT

100MHz, 106.25MHz, 125MHz, 150MHz, 155.52MHz, 156.25MHz, 200MHz, 212,5MHz,

250MHz, 300MHz, 312.5MHZ, 400MHz (Contact IDT for additional frequencies)

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