Silicon Labs

High Performance Crystal Oscillators

Si54x Ultra Series™
Silicon Labs' Ultra Series™ high performance oscillators utilize our latest 4th generation DSPLL technology to provide an ultra low jitter, low phase noise clock at any output frequency. This family includes oscillators with industry-leading phase jitter of only 80 fs (femtoseconds) for optical networking, 100G+ optical modules, broadband, data center, broadcast video, test and measurement, mil/aero and FPGA applications. These oscillators are ideal for high performance, next generation timing applications and they provide the frequency flexibility, superior reliability, and super fast lead times that system designers need. The Si54x Ultra Series XO’s are available with single, dual, quad, and I2C options in industry-standard 3.2x5mm and 5x7mm packages, enabling drop-in compatibility with traditional XOs.
High Performance Crystal Oscillators
Si54x Ultra Series™ High Performance Crystal Oscillators    
Industry’s Lowest Jitter, Any Frequency XO    

Silicon Labs' Ultra Series™ high performance oscillators utilize our latest 4th generation DSPLL technology to provide an ultra low jitter, low phase noise clock at any output frequency. This family includes oscillators with industry-leading phase jitter of only 80 fs (femtoseconds) for optical networking, 100G+ optical modules, broadband, data center, broadcast video, test and measurement, mil/aero and FPGA applications. These oscillators are ideal for high performance, next generation timing applications and they provide the frequency flexibility, superior reliability, and super fast lead times that system designers need. The Si54x Ultra Series XO’s are available with single, dual, quad, and I2C options in industry-standard 3.2x5mm and 5x7mm packages, enabling drop-in compatibility with traditional XOs.

Superior Performance + Maximum Flexibility = More Peace of Mind
si54xx-chip-left
  • Industry-leading jitter performance: 80 fs RMS Typ
  • Wide frequency range: 200 kHz to 1.5 GHz with <1 ppb frequency resolution
  • Single, Dual, Quad, I2C configurations available
  • I2C supports 100 kHz (Standard), 400 kHz (Fast Mode) and the new 1MHz (Fast Mode Plus) update rates
  • I2C allows up to 4 pre-stored bootup frequencies for part number consolidation
  • Excellent supply noise immunity (-80dBc Typ) ensures low jitter operation in electrically noisy systems
  • 3.2x5mm and 5x7mm footprints
  • 3.3, 2.5, 1.8V supply operation from the same orderable part number
  • Supports all popular formats: LVDS, LVPECL, HCSL, CML, CMOS and Dual CMOS
  • Superior reliability, 100% electrical testing of every device
  • Samples available with 1-2 week lead times

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