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NB3N51054 Datasheet Quad HCSL / LVDS Clock Generator

Manufacturer: onsemi

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Overview

NB3N51054 3.3 V, Crystal to 100 MHz Quad HCSL/LVDS PCIe Clock Generator The NB3N51054 is a precision, low phase noise clock generator that supports PCI Express requirements.

The device accepts a 25 MHz fundamental mode parallel resonant crystal or a 25 MHz reference clock signal and generates four differential HCSL/LVDS outputs (See Figure 7 for LVDS interface) at 100 MHz clock frequency with maximum skew of 40 ps.

Through I2C interface, NB3N51054 provides selectable spread spectrum options of −0.35% and −0.5% for applications demanding low Electromagnetic Interface (EMI) as well as optimum performance with no spread option.

Key Features

  • Uses 25 MHz Fundamental Crystal or Reference Clock Input.
  • Four Low Skew HCSL or LVDS Outputs.
  • I2C Support with Read Back Capability.
  • Spread of.
  • 0.35%,.
  • 0.5% and No Spread.
  • Individual Output Enable/Disable Control through I2C.
  • PCIe Gen 1, Gen 2, Gen 3 Compliant.
  • Typical Phase Jitter @ 100 MHz (Integrated 12 kHz to 20 MHz): 0.5 ps.
  • Typical Cycle.
  • Cycle Jitter @ 100 MHz (10k cycles): 20 ps.
  • Phas.

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