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Si5392-97 and Si5342-47 Jitter Attenuators, Jitter Cleaners

Our jitter attenuators use DSPLL® and MultiSynth technology to deliver best-in-class jitter cleaning. They are able to deliver any combination of output frequencies.  

The Si539x (A/B/C/D/J/K/L/M) any-frequency jitter attenuating clocks generate any output frequency up to 1028 MHz from any input frequency (8 kHz to 750 MHz), while delivering industry-leading jitter performance. Si5395/4/2 (P/E) devices offer the best-in-class jitter (69-fs RMS phase jitter) for ultra-high performance applications like 56G/112G SerDes. The Integrated Reference variants (J/K/L/M/E) offer better reliability and superior stability over temperature ramps and offer PCB space savings.

Output frequency
Up to 1028 MHz
Phase jitter (RMS)
90 fs

High-Performance Jitter Attenuator Common Specs

  • Integrated Reference (J/K/L/M/E)
  • Generates any combination of output frequencies from any input frequency
  • Ultra-low jitter: 69 fs
  • Meets G.8262, E.8262.1 EEC Standards
  • Enhanced hitless switching minimizes output phase transients
  • Synchronous, free-run and holdover modes
  • Status monitoring: LOL, LOS, OOF
  • Output frequency up to 1028 MHz
  • Re-programmable to any frequency without BOM changes
  • In-circuit programmable via SPI and I²C
  • Si5392-97 is drop-in compatible with older generation counterparts Si5342-47
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Find the Right High-Performance Jitter Attenuator Select Columns
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Part Number Customize Reference Type Number of Inputs Number of Outputs Phase Jitter (RMS) Input Frequency Min Input Frequency Max Output Frequency Max 56G SerDes VDD (V) VDDO (V) Package Type Package Size (mm) Synchronous Ethernet/1588 Intel x86 Clocks
Si5342A
Buy Sample Dev Kit
Customize External 4 2 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5342B
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Customize External 4 2 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5342C
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Customize External 4 2 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5342D
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Customize External 4 2 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5344A
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Customize External 4 4 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5344B
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5344C
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Customize External 4 4 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5344D
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Customize External 4 4 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5345A
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Customize External 4 10 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5345B
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Customize External 4 10 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5345C
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Customize External 4 10 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5345D
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Customize External 4 10 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5346A
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 720 1.8; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5346B
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 350 1.8; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5347A
Buy Sample Dev Kit
Customize External 4 8 0.09 0.008 750 720 1.8; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5347B
Buy Sample Dev Kit
Customize External 4 8 0.09 0.008 750 350 1.8; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5347C
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 720 1.8; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5347D
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 350 1.8; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5392A
Buy Sample Dev Kit
Customize External 4 2 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5392B
Buy Sample Dev Kit
Customize External 4 2 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5392C
Buy Sample Dev Kit
Customize External 4 2 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5392D
Buy Sample Dev Kit
Customize External 4 2 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5392E
Dev Kit
Customize Internal 4 2 0.07 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5392J
Buy Sample Dev Kit
Customize Internal 4 2 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5392K
Buy Sample Dev Kit
Customize Internal 4 2 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5392L
Buy Sample Dev Kit
Customize Internal 4 2 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5392M
Buy Sample Dev Kit
Customize Internal 4 2 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5392P
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Customize External 4 2 0.07 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5394A
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Customize External 4 4 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5394B
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5394C
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5394D
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5394E
Dev Kit
Customize Internal 4 4 0.07 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5394J
Buy Sample Dev Kit
Customize Internal 4 4 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5394K
Buy Sample Dev Kit
Customize Internal 4 4 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5394L
Buy Sample Dev Kit
Customize Internal 4 4 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5394M
Buy Sample Dev Kit
Customize Internal 4 4 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5394P
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5395A
Buy Sample Dev Kit
Customize External 4 12 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5395B
Buy Sample Dev Kit
Customize External 4 12 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5395C
Buy Sample Dev Kit
Customize External 4 12 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5395D
Buy Sample Dev Kit
Customize External 4 12 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5395E
Dev Kit
Customize Internal 4 12 0.07 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA64 9x9
Si5395J
Buy Sample Dev Kit
Customize Internal 4 12 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA64 9x9
Si5395K
Buy Sample Dev Kit
Customize Internal 4 12 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA64 9x9
Si5395L
Buy Sample Dev Kit
Customize Internal 4 12 0.09 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA64 9x9
Si5395M
Buy Sample Dev Kit
Customize Internal 4 12 0.09 0.008 750 350 1.8; 2.5; 3.3 1.8; 2.5; 3.3 LGA64 9x9
Si5395P
Buy Sample Dev Kit
Customize External 4 12 0.07 0.008 750 1028 1.8; 2.5; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5396A
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 720 1.8; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5396B
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 350 1.8; 3.3 1.8; 2.5; 3.3 QFN44 7x7
Si5396J
Buy Sample Dev Kit
Customize Internal 4 4 0.09 0.008 750 720 1.8; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5396K
Buy Sample Dev Kit
Customize Internal 4 4 0.09 0.008 750 350 1.8; 3.3 1.8; 2.5; 3.3 LGA44 7x7
Si5397A
Buy Sample Dev Kit
Customize External 4 8 0.09 0.008 750 720 1.8; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5397B
Buy Sample Dev Kit
Customize External 4 8 0.09 0.008 750 350 1.8; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5397C
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 720 1.8; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5397D
Buy Sample Dev Kit
Customize External 4 4 0.09 0.008 750 350 1.8; 3.3 1.8; 2.5; 3.3 QFN64 9x9
Si5397J
Buy Sample Dev Kit
Customize Internal 4 8 0.09 0.008 750 720 1.8; 3.3 1.8; 2.5; 3.3 LGA64 9x9
Si5397K
Buy Sample Dev Kit
Customize Internal 4 8 0.09 0.008 750 350 1.8; 3.3 1.8; 2.5; 3.3 LGA64 9x9
Si5397L
Buy Sample Dev Kit
Customize Internal 4 8 0.09 0.008 750 720 1.8; 3.3 1.8; 2.5; 3.3 LGA64 9x9
Si5397M
Buy Sample Dev Kit
Customize Internal 4 8 0.09 0.008 750 350 1.8; 3.3 1.8; 2.5; 3.3 LGA64 9x9
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      Si5395 56G SerDes 1-PLL Jitter Attenuator Evaluation Kit

      The Si5395P-A-EVB makes it easy to move from ClockBuilder Pro device configuration to hands-on performance evaluation.

      Si5395 56G SerDes 1-PLL Jitter Attenuator Evaluation Kit

      The Si5395P-A-EVB makes it easy to move from ClockBuilder Pro device configuration to hands-on performance evaluation.
      $299
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