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Datasheet Microchip SM844256

The SM844256 provides a low-noise timing solution for high speed, high accuracy synthesis of clock signals

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  SM844256 - 10 Gigabit Ethernet and SONET, 6 output, Ultra-Low Jitter LVDS Freq
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  SM844256
  10 Gigabit Ethernet and SONET, 6 Output,
  Ultra-Low Jitter LVDS Frequency
  Synthesizer General Description Features The SM844256 provides a low-noise timing solution for
  high speed, high accuracy synthesis of clock signals.
  Common applications include SONET, Gigabit Ethernet,
  10 Gigabit Ethernet, and similar networking standards. It
  includes a power reduction methodology, along with a
  patented RotaryWaveTM architecture that provides a very
  stable clock with very low noise.
  Power supplies of either 3.3V or 2.5V are supported, with
  superior jitter and phase noise performance. The device
  synthesizes different low noise LVDS output frequencies
  such as 125MHz, 156.25MHz, 312.5MHz, and 625MHz for
  Ethernet applications; 77.76MHz, 155.52MHz, 311.04MHz,
  and 622.08MHz for SONET applications. The crystal
  reference frequencies used include 25MHz and 19.44Mhz
  for Ethernet and SONET applications, respectively.
  The SM844256 is an excellent replacement for IDT Femtoclocks, with improved accuracy, power consumption,
  waveform integrity, and jitter.
  Data sheets and support documentation can be found on
  Micrel’s web site at: www.micrel.com. Generates six LVDS outputs 2.5V or 3.3V operating range Typical phase jitter @ 125MHz
  (1.875MHz to 20MHz): 80 fs (typical) @ 3.3V 75MHz to 625MHz output frequencies Industrial temperature range Green, RoHS, and PFOS compliant Available in 24-pin TSSOP EPAD Operating supply modes: ...

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Классификация производителя

• Clock and Timing > Clock Generation > Low Jitter MEMS

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