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Home » NEWEST Products » New by Manufacturer » Integrated Device Technology (IDT) » IDT FemtoClock Clock-Frequency Synthesizers
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IDT FemtoClock® Clock-Frequency Synthesizers

IDT FemtoClock® Clock-Frequency Synthesizers are advanced, high-performance clock-frequency synthesizers. Employing a simple, low-cost, fundamental-mode quartz crystal as the low frequency reference these devices synthesize high quality clock signals with less than 0.5 ps of RMS phase noise, up to 1.3 GHz. FemtoClock® devices are fully customizable, stand-alone solutions that generate reference frequencies allowing them to replace crystal and SAW oscillators in high-performance applications. This family of devices is often used to replace third overtone and high frequency fundamental (HFF, inverted mesa) crystal oscillators or expensive surface acoustic wave (SAW) oscillators.

Features
  • Fourth generation FemtoClock® NG technology
  • Programmable clock output frequency from 15.476MHz to 866.67MHz and from 975MHz to 1,300MHz
  • Four power-up default frequencies (see part number order codes), re-programmable by I2C
  • I2C programming interface for the output clock frequency, APR and internal PLL control registers
  • Frequency programming resolution is 435.9Hz ÷N

  • Absolute pull-range (APR) programmable from ±4.5 to ±754.5ppm (IDT88QV01 only)
  • One 2.5V or 3.3V LVPECL differential clock output
  • Two control inputs for the power-up default frequency
  • LVCMOS/LVTTL compatible control inputs
  • Full 2.5V or 3.3V supply modes
  • -40°C to 85°C ambient operating temperature
  • Available in Lead-free (RoHS 6) package
IDT8N3Q001 Block Diagram
IDT8N3Q001 Block Diagram
IDT8N3QV01 Block Diagram
IDT8N3QV01 Block Diagram
  • Integrated Device Technology (IDT)
  • Passive Components|Frequency Control & Timing Devices