Quad HCSL/ LVDS Clock Generator, 3.3 V, Crystal to 100 MHz

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Overview

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 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.

  • Networking
  • Consumer
  • Computing and Peripherals
  • Industrial Equipment
  • PCIe Clock Generation Gen 1, Gen 2, Gen 3 and Gen 4

  • Switch and Router
  • Set Top Box, LCD TV
  • Servers, Desktop Computers
  • Automated Test Equipment

  • Spread of −0.35%, −0.5% and No Spread
  • Typical Phase Jitter @ 100 MHz (integrated 12 kHz to 20 MHz): 0.5 ps
  • Typical Cycle-cycle Jitter @ 100 MHz (10k cycles): 20 ps
  • Uses 25 MHz Fundamental Crystal or Reference Clock Input
  • Four Low Skew HCSL or LVDS Outputs
  • I2C Support with Read Back Capability
  • PCIe Gen 1, Gen 2, Gen 3, Gen 4 Jitter Compliant
  • Operating Supply Voltage Range 3.3 V ± 5%
  • Industrial Temperature Range −40°C to +85°C

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fin Typ (MHz)

fout Typ (MHz)

tJitter(Cy-Cy) Typ (ps)

tJitter(Period) Typ (ps)

tJitter(Φ) Typ (ps)

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Reference Price

NB3N51054DTR2G

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CAD Model

Pb

A

H

P

TSSOP-24

1

260

REEL

2500

Y

Crystal

LVDS

3.3

25

100

20

-

0.5

-

-

-40

85

Price N/A

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