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Renesas Electronics Corporation

Renesas’ Timing product portfolio has been acquired by SiTime.

Datasheets, documentation, and sample orders remain available on Renesas.com through late 2026. For new designs, purchasing, support, and product inquiries, visit SiTime.com or send an email to [email protected]. Full transition to SiTime is expected by late 2026.

Features

  • Fourth generation FemtoClock® NG technology
  • Factory-programmable clock output frequency from 15.476MHz to 866.67MHz and from 975MHz to 1,300MHz
  • Frequency programming resolution is 218Hz and better
  • One 2.5V or 3.3V LVPECL clock output
  • Output enable control (positive polarity), LVCMOS/LVTTL compatible
  • RMS phase jitter @ 156.25MHz (12kHz - 20MHz): 0.24ps (typical), integer PLL feedback configuration
  • RMS phase jitter @ 156.25MHz (1kHz - 40MHz): 0.27ps (typical), integer PLL feedback configuration
  • 2.5V or 3.3V supply
  • -40°C to 85°C ambient operating temperature
  • Available in a lead-free (RoHS 6) 6-pin ceramic package
  • Fourth Generation FemtoClock® NG technology
  • Factory-programmable clock output frequency of 240MHz
  • One 3.3V LVPECL clock output
  • Output enable control (positive polarity), LVCMOS/LVTTL compatible
  • RMS phase jitter @ 240MHz (12kHz - 20MHz): 0.23ps (typical)
  • RMS phase jitter @ 240MHz (1kHz - 40MHz): 0.26ps (typical)
  • 3.3V supply
  • -40°C to 85°C ambient operating temperature
  • Available in a lead-free (RoHS 6) 6-pin ceramic package

Description

The 8N3S270 is a Frequency-Programmable Crystal Oscillator with very flexible frequency programming capabilities. The device uses Renesas' fourth generation FemtoClock® NG technology for an optimum of high clock frequency and low phase noise performance. The device accepts 2.5V or 3.3V supply and is packaged in a small, lead-free (RoHS 6) 6-lead ceramic 5mm x 7mm x 1.55mm package. The device can be factory programmed to any frequency in the range from 15.476MHz to 866.67MHz and from 975MHz to 1,300MHz and supports a very high degree of frequency precision of 218Hz or better. The extended temperature range supports wireless infrastructure, telecommunication and networking end equipment requirements. The 8N3S270EC-1103 is a Frequency-Programmable Crystal Oscillator with very flexible frequency programming capabilities. The device uses Renesas' fourth generation FemtoClock® NG technology for an optimum of high clock frequency and low phase noise performance (<0.25ps RMS 12kHz - 20MHz, typical). The device accepts a 3.3V supply and is packaged in a small, lead-free (RoHS 6) 6-lead ceramic 5mm x 7mm x 1.55mm package. The device is programmed for an output frequency of 240MHz. The extended temperature range supports wireless infrastructure, telecommunication and networking end equipment requirements.

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