NBXSBA021_09 datasheet(1/6 Pages) ONSEMI

Part #	NBXSBA021

Description	3.3 V, 266.667 MHz LVPECL Clock Oscillator

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Manufacturer	ONSEMI [ON Semiconductor]

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October, 2009 − Rev. 3

1

Publication Order Number:

NBXSBB021/D

NBXSBA021, NBXSBB021

3.3 V, 266.667 MHz LVPECL

Clock Oscillator

The NBXSBB021/NBXSBA021 single frequency crystal oscillator

(XO) is designed to meet today’s requirements for 3.3 V LVPECL

clock generation applications. The device uses a high Q fundamental

crystal and Phase Lock Loop (PLL) multiplier to provide

266.667 MHz, ultra low jitter and phase noise LVPECL differential

output.

This device is a member of ON Semiconductor’s PureEdge

t clock

family that provides accurate and precision clock solutions.

Available in 5 mm x 7 mm SMD (CLCC) package on 16 mm tape

and reel in quantities of 1,000. Frequency stability options available as

either 50 PPM NBXSBA021 or 20 PPM NBXSBB021.

Features

• LVPECL Differential Output

• Uses High Q Fundamental Mode Crystal and PLL Multiplier

• Ultra Low Jitter and Phase Noise − 0.4 ps (12 kHz − 20 MHz)

• Output Frequency − 266.667 MHz

• Hermetically Sealed Ceramic SMD Package

• RoHS Compliant

• Operating Range 3.3 V ±10%

• Total Frequency Stability − ±20 PPM or ±50 PPM

Applications

• Servers

• Fully Buffered DIMM

Figure 1. Simplified Logic Diagram

PLL

Clock

Multiplier

Crystal

GND

NC

OE

CLK CLK

VDD

65

4

12

3

http://onsemi.com

Device

Package

Shipping†

ORDERING INFORMATION

†For information on tape and reel specifications,

including part orientation and tape sizes, please

refer to our Tape and Reel Packaging Specification

Brochure, BRD8011/D.

NBXSBB021LN1TAG*

CLCC−6

(Pb−Free)

1000/

Tape & Reel

MARKING DIAGRAMS

NBXSBB021 = NBXSBB021 (±20 PPM)*

NBXSBA021 = NBXSBA021 (±50 PPM)

266.667

= Output Frequency (MHz)

AA

= Assembly Location

WL

= Wafer Lot

YY

= Year

WW

= Work Week

G

= Pb−Free Package

6 PIN CLCC

LN SUFFIX

CASE 848AB

NBXSBB021

266.667

AAWLYYWWG

NBXSBA021LN1TAG

CLCC−6

(Pb−Free)

1000/

Tape & Reel

NBXSBA021

266.667

AAWLYYWWG

* Please contact sales office for availability

NBXSBA021LNHTAG

CLCC−6

(Pb−Free)

100/

Tape & Reel

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