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Home » NEWEST Products » New by Category » Semiconductors » Si5334 Clock Generator - Silicon Labs
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Silicon Labs Si5334 Clock Generator

Silicon Labs Si5334 Clock Generator

Silicon Labs Si5334 is a high performance, low jitter clock generator capable of synthesizing any frequency on each of the device's four differential output clocks. The device accepts an external reference clock or crystal and generates four differential clock outputs, each of which is independently configurable to any frequency up to 350MHz and select frequencies to 710MHz. Using Silicon Labs' patented MultiSynth technology, each output clock is generated with very low jitter and zero ppm frequency error. To provide additional design flexibility, each output clock is independently configurable to support any signal format and reference voltage. The Si5334 provides low jitter frequency synthesis with outstanding frequency flexibility in a space-saving 4 x 4mm QFN package. The device configuration is factory or field programmed and, upon power up, the device will begin operation in the predefined configuration without user intervention. The device supports operation from a 1.8, 2.5, or 3.3V core supply.


Features
  • Low-power MultiSynth technology enables independent, any-frequency synthesis on four differential output drivers
  • Highly-configurable output drivers support up to four differential outputs or eight single-ended clock outputs or a combination of both
  • Low phase jitter: 0.7ps RMS typical
  • High-precision synthesis allows true 0ppm frequency accuracy on all outputs
  • Flexible input reference
    • External crystal: 8 to 30MHz
    • CMOS input: 5 to 200MHz
    • SSTL/HSTL input: 5 to 350MHz
    • Differential input: 5 to 710MHz
  • Independently-configurable outputs support any frequency or format
    • LVPECL/LVDS: 0.16 to 710MHz
    • HCSL: 0.16 to 250MHz
    • CMOS: 0.16 to 200MHz
    • SSTL/HSTL: 0.16 to 350MHz
  • Independent output voltage per driver
    • 1.5, 1.8, 2.5, or 3.3V
  • Independent core supply voltage
    • 1.8, 2.5, or 3.3V


  • Frequency increment/decrement feature enables glitchless frequency adjustments in 1ppm steps
  • Phase adjustment on each of the output drivers with <20ps steps
  • SSC on any or all outputs that is compliant to PCI Express
  • Optional external feedback mode allows zero-delay implementation
  • Loss-of-lock and loss-of-signal alarm
  • Simple pin control
  • Small size: 4x4mm, 24-QFN
  • Low power: 45mA core supply typ
  • Wide temperature range: -40 to +85°C
  • Contact Silicon Labs for custom versions

Applications
  • Ethernet switch/router
  • PCI Express 2.0/3.0
  • Broadcast video/audio timing
  • Processor and FPGA clocking
  • Any-frequency clock conversion
  • MSAN/DSLAM/PON
  • Fibre Channel, SAN
  • Telecom line cards
  • 1GbE and 10GbE

Si5334 Functional Block Diagram
Si5334 Functional Block Diagram

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