Programmable FemtoClock® LVPECL Oscillator Replacement

The 83PR226I-01 is a programmable LVPECL synthesizer that is "forward" footprint compatible with standard 5mm x 7mm oscillators. Forward footprint compatibility means that a board designed to accommodate the crystal oscillator interface and the optional control pins is also fully compatible with a canned oscillator footprint - the canned oscillator will drop onto the 10-VFQFN footprint for second sourcing purposes. This capability provides designers with programability and lead time advantages of silicon/crystal based solutions while maintaining compatibility with industry standard 5mm x 7mm oscillator footprints for ease of supply chain management. Oscillator-level performance is maintained with IDT's 3rd generation FemtoClock® PLL technology, which delivers sub 1ps rms phase jitter. The 83PR226I-01 defaults to 125MHz using a 25MHz crystal with all 4 of the programming pins floating (pulled HIGH with internal pullup resistors) but can be also be set to 15 different frequency multiplier settings to support a wide variety of applications. The below table shows some of the more common application settings.

Features

  • Footprint compatible with 5mm x 7mm differential oscillators
  • One differential LVPECL output pair
  • Crystal oscillator interface which can also be overdriven a single-ended or differential reference clock
  • Output frequency range: 83.33MHz – 213.33MHz
  • Crystal/Input frequency range: 15.625MHz – 32MHz
  • VCO range: 500MHz – 640MHz
  • PCI Express® (2.5Gb/s) and Gen 2 (5 Gb/s) jitter compliant
  • Cycle-to-cycle jitter: 45ps (maximum)
  • RMS phase jitter @ 125MHz, 1.875MHz – 20MHz: 0.47ps (typical)
  • Full 3.3V or 2.5V operating supply
  • -40°C to 85°C ambient operating temperature
  • Available in lead-free (RoHS 6) packages

Product Options

Orderable Part ID Part Status Pkg. Code Pkg. Type Lead Count (#) Temp. Grade Pb (Lead) Free Carrier Type Buy Sample
83PR226BKI-01LF Active NRG10 VFQFPN 10 I Yes Tray Availability
83PR226BKI-01LFT Active NRG10 VFQFPN 10 I Yes Reel Availability

Technical Documentation

Title Other Languages Type Format File Size Date
Datasheets & Errata
83PR226I-01 Datasheet Datasheet PDF 759 KB Oct 6, 2017
Application Notes & White Papers
AN-828 Termination - LVPECL Application Note PDF 229 KB Jul 5, 2016
AN-831 The Crystal Load curve Application Note PDF 308 KB Sep 22, 2014
AN-844 Termination - AC Coupling Clock Receivers Application Note PDF 82 KB May 12, 2014
AN-842 Thermal Considerations in Package Design and Selection Application Note PDF 403 KB May 11, 2014
AN-835 Differential Input with VCMR being VIH Referenced Application Note PDF 77 KB May 10, 2014
AN-803 Crystal Timing Budget and Accuracy for IDT Timing Clock Products Application Note PDF 44 KB May 7, 2014
AN-840 Jitter Specifications for Timing Signals Application Note PDF 349 KB May 7, 2014
AN-839 RMS Phase Jitter Application Note PDF 149 KB May 6, 2014
AN-838 Peak-to-Peak Jitter Calculations Application Note PDF 32 KB May 6, 2014
AN-834 Hot-Swap Recommendations Application Note PDF 67 KB May 5, 2014
AN-837 Overdriving the Crystal Interface Application Note PDF 50 KB May 5, 2014
AN-836 Differential Input to Accept Single-ended Levels Application Note PDF 37 KB May 5, 2014
AN-832 Timing Budget and Accuracy Application Note PDF 48 KB May 5, 2014
AN-830 Quartz Crystal Drive Level Application Note PDF 59 KB May 4, 2014
AN-827 Application Relevance of Clock Jitter Application Note PDF 1.06 MB Apr 23, 2014
AN-815 Understanding Jitter Units Application Note PDF 476 KB Apr 23, 2014
AN-802 Crystal-Measuring Oscillator Negative Resistance Application Note PDF 52 KB Mar 11, 2014
AN-805 Recommended Ferrite Beads Application Note PDF 38 KB Jan 14, 2014
AN-801 Crystal-High Drive Level Application Note PDF 109 KB Jan 14, 2014
AN-806 Power Supply Noise Rejection Application Note PDF 353 KB Jan 14, 2014
PCNs & PDNs
PCN# : A1403-03 Gold wire to Copper wire Product Change Notice PDF 42 KB Oct 14, 2014
Other
The IDT Communications Products Advantage Overview PDF 4.00 MB Mar 21, 2018
IDT Clock Generation Overview 日本語 Overview PDF 1.83 MB Apr 28, 2016
IDT Clock Distribution Overview 日本語 Overview PDF 3.79 MB Apr 24, 2016

Software & Tools

Title Other Languages Type Format File Size Date
83PR226I-01 IBIS Model Model - IBIS ZIP 72 KB May 26, 2010