Ultra-Low Jitter Clock Generators

Our any-frequency, any-output Si5391, Si5341 and Si5340 clock generators combine a wide-band PLL with proprietary MultiSynth™ fractional synthesizer technology to offer a versatile and ultra-low jitter clock generator platform. With highly flexible architecture, the generators are capable of synthesizing a wide range of integer and non-integer related frequencies up to 1028 MHz on up to 12 differential clock outputs, while delivering sub-100-fs RMS phase jitter performance with 0 ppm error. Each clock output can be assigned its own format and output voltage, enabling the consolidation of multiple clock ICs and oscillators into a single device making it a true “clock tree on a chip.”

Phase jitter (RMS)
As low as 69 fs
Consolidate into a single IC
Up to 12 clock outputs

Ultra-Low Jitter Clock Generator Common Specs

  • Up to 12 independent clock outputs
  • MultiSynth technology delivers any frequency on any output
  • SPI or I2C programmable
  • Any format, any output: LVPECL, LVDS, HCSL, LVCMOS, HSTL, SSTL and CML
  • Clockbuilder Pro simplifies configuration
  • Independent Output clock supply pins eliminate external level translator
  • Ultra low phase jitter: < 70 fs
  • Si5391: 4 input, 12 output in 9x9 mm QFN64
  • Si5341: 4 input, 10 output in 9x9 mm QFN64 (3.3, 2.5, 1.8 V)
  • Si5340: 4-input, 4 output in 7x7 mm QFN44
Find the Right Ultra-Low Jitter Clock Select Columns
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Part Number Customize Number of Inputs Number of Outputs Output Frequency Ouput Format(s) Phase Jitter (RMS) 56G SerDes Input Frequency Description Control VDD (V) VDDO (V) Package Type Package Size (mm) Clock Generators Jitter Attenuating Clocks Synchronous Ethernet/1588 PCIe Compliant 4G/LTE Wireless Clocks Intel x86 Clocks

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