LX3215D0025.000000

A product Line of Diodes Incorporated 

**Low Voltage Crystal Oscillator 3.2 x 2.5mm** 

## **0.9V~1.5V CMOS XO** 

**LX321** 

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3.2 x 2.5mm Ceramic SMD<br>**----- End of picture text -----**<br>


**Package:** (Scale: none; dimensions are in mm) 

## **Product Features** 

- Industrial temperature range 

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Recommended Land Pattern:<br>**----- End of picture text -----**<br>


- Low phase jitter: < 1ps RMS max. 

- Supports frequency range: 1.25~50MHz 

- Supports voltage range: 0.9~1.5V 

- Low power consumption 

- Pb-free & RoHS compliant 

## **Product Description** 

The LX321 XO series is a high performance CMOS crystal oscillator family with very low jitter performance. 

It supports 0.9V/1.0V/1.2V/1.5V voltages and consumes very low operating current. It is designed to meet the clock source specifications for communication systems, industrial applications and other high performance equipment. 

## **Applications** 

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Pin Functions:<br>Pin Function<br>1 OE<br>“p e n F A ne [<br>iy ee ee<br>2 Ground<br>pf 3 Output<br>_ 4 4 VDD<br>6<br>fa:<br>**----- End of picture text -----**<br>


*Extended high frequency power decoupling is recommended (see test circuit for minimum recommendation). To ensure optimal performance, do not route RF traces beneath the package. 

- Networking and communication systems 

- Industrial and outdoor systems 

- Storage and server systems 

- Hand-held devices 

- Professional video equipments 

- Test and measurement equipments 

## **Part Ordering Information:** 

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LX 321     V I    FFFF.FFFFFF<br>A B C<br>—<br>Voltage: Stability and Temp Range: Frequency:<br>4=+1.5V   Stability              Temp Range  FFFF.FFFFFF<br>A = +/-20 ppm     -20/+70°C<br>5=+1.2V B = +/-25 ppm     -20/+70°C   MHz, “4 digits/decimal/6 digits” format<br>6=+1.0V C = +/-50 ppm    -20/+70°C<br>D = +/-25 ppm    -40/+85°C<br>7=+0.9V E = +/-50 ppm     -40/+85°C<br>**----- End of picture text -----**<br>


~~© Diodes Incorporated    •    US: +1-408-232-9100  TW: +886-3-4518888    •   www.diodes.com~~ 

> LX321       Rev B      09/26/16 1 

All specifications are subject to change without notice. 

16-0011 

> **0.9V~1.5V CMOS XO LX321** 

**Electrical Performance** 

A product Line of Diodes Incorporated 

**Low Voltage Crystal Oscillator 3.2 x 2.5mm** 

**Parameter Min. Typ. Max. Units Notes** ~~|~~ Output Frequency 1.25 50 MHz 1.425 1.5 1.575 ~~Oe~~ 1.14 1.2 1.26 Supply Voltage V See ordering options 0.95 1.0 1.05 ~~ESE~~ | 0.855 0.9 0.945 ~~a~~ Supply Current, Output Enabled 4 mA Supply Current, Output Disabled only 100 uA ~~a~~ Frequency Stability ±50 ppm See ordering options Operating Temperature Range -40 +85 °C See ordering options ~~a~~ Output Logic 0, VOL 0.2 VDD V Output Logic 1, VOH 0.8 VDD V ~~a~~ Output Load 15 pF Duty Cycle 45 55 % Measured 50% VDD Rise and Fall Time 4 ns Measured 20/80% of waveform ~~a~~ Jitter, Accumulated, RMS (1-σ) 6 ps 20.000 adjacent periods < 40MHz 1 12kHz to 5 MHz frequency band ~~a~~ Jitter, Phase, RMS ps >=40MHz 1 12kHz to 20 MHz frequency band ~~ee~~ Jitter, pk-pk 50 ps 100,000 random periods **Notes:** 

1. Stability includes all combinations of operating temperature, load changes, rated input (supply) voltage changes, initial calibration tolerance (25°C), aging (1 year at 25°C average effective ambient temperature), shock and vibration. 

2. For specifications other than those listed, please contact sales. 

**Output Enable / Disable Function** 

**Parameter Min. Typ. Max. Units Notes** ~~OT~~ Input Voltage (pin 1), Output Enable 0.7 VDD V or open ~~eea~~ Input Voltage (pin 1), Output Disable (low power standby) 0.3 VDD V Output is Hi-Z Output Disable Delay 50 us ~~>~~ Output Enable Delay 2 ms Start up Time 10 ms **Absolute Maximum Ratings Parameter Min. Typ. Max. Units Notes** ~~———————————————~~ Storage Temperature -55 +125 °C 

**For the latest product information visit:** http://www.pericom.com/products/crystals-and-crystal-oscillators/cxo/?part=LX321 **For test circuit go to** : http://www.pericom.com/pdf/sre/tc_cmos2.pdf 

**For soldering reflow profile and reliability test ratings go to:** http://www.pericom.com/pdf/sre/reflow.pdf 

**For tape and reel information go to:** http://www.pericom.com/pdf/sre/tr_3225_xo.pdf 

~~© Diodes Incorporated    •    US: +1-408-232-9100  TW: +886-3-4518888    •   www.diodes.com~~ 

> LX321       Rev B      09/26/16 2 

All specifications are subject to change without notice. 

16-0011