NB3N51054: Quad HCSL/ LVDS Clock Generator, 3.3 V, Crystal to 100 MHz

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.

Features
  • 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 Compliant
  • Operating Supply Voltage Range 3.3 V ± 5%
  • Industrial Temperature Range −40°C to +85°C
Benefits
  • EMI Reduction
  • Best in Class Jitter Performance
  • Best in Class Jitter Performance
Applications
  • Networking
  • Consumer
  • Computing and Peripherals
  • Industrial Equipment
  • PCIe Clock Generation Gen 1, Gen 2 and Gen 3
End Products
  • Switch and Router
  • Set Top Box, LCD TV
  • Servers, Desktop Computers
  • Automated Test Equipment
Application Notes (2)
Document TitleDocument ID/SizeRevisionRevision Date
A Solution for Peak EMI Reduction with Spread Spectrum Clock GeneratorsAND9015/D (689.0kB)0
A System Designer's Guide for Building a PCIe Clock Tree while Addressing Timing ChallengesAND9202/D (179kB)1Mar, 2015
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
3.3 V, Crystal to 100 MHz Quad HCSL / LVDS PCIe Clock GeneratorNB3N51054/D (159kB)2May, 2015
Simulation Models (1)
Document TitleDocument ID/SizeRevisionRevision Date
NB3N51054 IBIS ModelNB3N51054 (84kB)0Dec, 2015
Package Drawings (1)
Document TitleDocument ID/SizeRevision
TSSOP24 7.8x4.4, 0.65P948H-01 (61.1kB)B
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NB3N51054DTGActivePb-free Halide freeTSSOP-24948H-011Tube62Contact BDTIC
NB3N51054DTR2GActivePb-free Halide freeTSSOP-24948H-011Tape and Reel2500Contact BDTIC
Specifications
ProductInput LevelOutput LevelVS Typ (V)fin Typ (MHz)fout Typ (MHz)tJitter(Cy-Cy) Typ (ps)tJitter(Period) Typ (ps)tJitter(Φ) Typ (ps)tR & tF Typ (ps)tR & tF Max (ps)TA Min (°C)TA Max (°C)
NB3N51054DTGCMOS CrystalHCSL LVDS3.325100200.5-4085
NB3N51054DTR2GCMOS CrystalHCSL LVDS3.325100200.5-4085
3.3 V, Crystal to 100 MHz Quad HCSL / LVDS PCIe Clock Generator (159kB) NB3N51054
A Solution for Peak EMI Reduction with Spread Spectrum Clock Generators PCS3PS550A
A System Designer's Guide for Building a PCIe Clock Tree while Addressing Timing Challenges NCN2612B
NB3N51054 IBIS Model NB3N51054
TSSOP24 7.8x4.4, 0.65P MC74LVX4245
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