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8V49NS0412/8V49NS0312/8V41NS0412 Clock Generators

IDT's 8V49NS0412, 8V49NS0312, and 8V41NS0412 80 fs ultra-low-noise clock generators for applications demanding extremely low phase noise

Image of IDT's 8V49NS0412/8V49NS0312/8V41NS0412 Clock Generators IDT's 8V49NS0412, 8V49NS0312, and 8V41NS0412 are clock generators with four output dividers: three integers and one that is either integer or fractional. When used with an external crystal, they generate high-performance timing for the communications and datacom markets, especially for applications that demand extremely low phase noise.

They provide versatile frequency configurations and output formats, and are optimized to deliver excellent phase noise performance. The devices deliver an optimum combination of high clock frequency and low phase noise performance, combined with high power supply noise rejection.

They also support two types of output levels: LVPECL or LVDS on eleven of its outputs. In addition, they have a single LVCMOS output that can provide a generated clock, or act as a reference bypass output.

The devices can be configured to deliver specific output configurations under pin control only or additional configurations through an I2C serial interface.

Features
  • 80 fs phase noise 156.25 MHz
    • 12 K to 20 MHz integration range
  • 12 outputs in four banks with individual dividers
  • Tight output skew less than 50 ps
  • Fractional divider on Bank D
  • Load configuration from EEPROM (412 only)
  • Compact 9 mm x 9 mm 64QFN package
Benefits
  • Ultra-low phase noise enables migration to 100/400G applications
  • Eliminates need for individual clock domains and fanout buffer which reduces BOM and streamlines design
  • Allows generation of one unrelated output frequency
Applications
  • Integrated clock generator for 100/400G interfaces
  • Supports Ethernet, SONET, or CPRI frequencies up to 2500 MHz
  • Also in many reference designs for high-speed SERDES applications

8V49NS0412/8V49NS0312/8V41NS0412 Clock Generators

ImageManufacturer Part NumberDescriptionAvailable QuantityView Details
IC CLOCK GENERATOR 64QFN8V49NS0412NLGIIC CLOCK GENERATOR 64QFN303 - ImmediateView Details
IC CLOCK GENERATOR 64-VFQFPN8V49NS0312NLGIIC CLOCK GENERATOR 64-VFQFPN201 - ImmediateView Details
IC CLOCK GENERATOR 64QFN8V41NS0412NLGIIC CLOCK GENERATOR 64QFN207 - ImmediateView Details
Published: 2018-01-26