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Features

  • Designed for use in SAS, SAS-2, and SATA systems
  • Center (±0.33%) Spread Spectrum Clocking (SSC)
  • Down (-0.30% or -0.60%) SSC
  • Better frequency stability than SAW oscillators
  • One differential 3.3V LVPECL output
  • Crystal oscillator interface designed for 25MHz (CL = 18pF) frequency
  • External fundamental crystal frequency ensures high reliability and low aging
  • Selectable output frequencies: 75MHz, 100MHz, 150MHz, 300MHz
  • Output frequency is tunable with external capacitors
  • RMS phase jitter: 1.33ps (typical)
  • 3.3V operating supply
  • 0°C to 70°C ambient operating temperature
  • Industrial temperature available upon request
  • Available in lead-free (RoHS 6) package

Description

The 843441 is a low jitter, high performance clock generator. The 843441 is designed for use in applications using the SAS and SATA interconnect. The 843441 uses an external, 25MHz, parallel resonant crystal to generate four selectable output frequencies: 75MHz, 100MHz, 150MHz, and 300MHz. This silicon based approach provides excellent frequency stability and reliability. The 843441 features down and center spread spectrum (SSC) clocking techniques.

Part NumberStatusSamplesStockPackageLead Count (#)Temp. GradePb (Lead) FreeCarrier Type
843441AGLFObsoleteN/AOut of StockTSSOP16#CYesTube
843441AGLFTObsoleteN/AOut of StockTSSOP16#CYesReel
843441AM-100LFObsoleteN/AIn StockSOIC8#CYesTube
843441AM-100LFTObsoleteN/AOut of StockSOIC8#CYesReel
843441AM-150LFObsoleteN/AOut of StockSOIC8#CYesTube
843441AM-150LFTObsoleteN/AOut of StockSOIC8#CYesReel
843441AM-300LFObsoleteN/AOut of StockSOIC8#CYesTube
843441AM-300LFTObsoleteN/AOut of StockSOIC8#CYesReel
843441AM-75LFObsoleteN/AOut of StockSOIC8#CYesTube
843441AM-75LFTObsoleteN/AOut of StockSOIC8#CYesReel
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