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1 / 7 page © Semiconductor Components Industries, LLC, 2009 October, 2009 − Rev. 3 1 Publication Order Number: NBXDBB018/D NBXDBB018, NBXDBA018 3.3 V, 155.52 MHz / 311.04MHz LVPECL Clock Oscillator The NBXDBB018 dual 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 selectable 155.52 MHz or 311.04 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 1000. Frequency stability options available as either 50 PPM NBXDBA018 (Industrial Temperature Range) or 20 PPM NBXDBB018 (Commercial Temperature Range). 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) • Selectable Output Frequency − 155.52 MHz (default) / 311.04 MHz • Hermetically Sealed Ceramic SMD Package • RoHS Compliant • Operating Range 3.3 V ±10% • Total Frequency Stability − ±20 PPM or ±50 PPM • This is a Pb−Free Device Applications • Networking • SONET • SDH Figure 1. Simplified Logic Diagram PLL Clock Multiplier Crystal GND FSEL 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. NBXDBB018LN1TAG CLCC−6 (Pb−Free) 1000/ Tape & Reel MARKING DIAGRAM NBXDBA018 = NBXDBA018 (±50 PPM) NBXDBB018 = NBXDBB018 (±20 PPM) 155.52/311.04 = 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 NBXDBB018 155.52/311.04 AAWLYYWWG NBXDBA018LN1TAG CLCC−6 (Pb−Free) 1000/ Tape & Reel NBXDBA018 155.52/311.04 AAWLYYWWG NBXDBB018LNHTAG CLCC−6 (Pb−Free) 100/ Tape & Reel NBXDBA018LNHTAG CLCC−6 (Pb−Free) 100/ Tape & Reel |
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