NB3N121K: Clock / Data Fanout Buffer, 1:21 Differential, 3.3 V, with HCSL Outputs

The NB3N121K is a differential 1:21 Clock and Data fanout buffer with High-speed Current Steering Logic (HCSL) outputs optimized for ultra low propagation delay variation. The NB3N121K is designedwith HCSL PCI Express clock distribution and FBDIMM applications in mind.

Features
  • Typical Input Clock Frequency 100, 133, 166, 200, 266, 333 and400 MHz
  • 340 ps Typical Rise and Fall Times
  • 800 ps Typical Propagation Delay
  • 100 ps Max Within Device Skew
  • 150 ps Max DevicetoDevice Skew
  • Delta-tpd 100 ps Maximum Propagation Delay Variation Per Each Differential Pair
  • 0.1 ps Typical RMS Additive Phase Jitter
  • LVDS Output Levels Optional with Interface Termination
  • Operating Range: VCC = 3.0 V to 3.6 V with GND = 0 V
  • Typical HCSL Output Level (700 mV PeaktoPeak)
Applications
  • Clock Distribution
  • PCIe I, II, III
  • Networking
  • High End Computing
  • Routers
End Products
  • Servers
Application Notes (6)
Document TitleDocument ID/SizeRevisionRevision Date
Board Level Application Notes for DFN and QFN PackagesAND8211/D (175.0kB)1
Board Mounting Notes for Quad Flat-Pack No-Lead Package (QFN)AND8086/D (40.0kB)0
Clock Generation and Clock and Data Marking and Ordering Information GuideAND8002/D (71kB)12
How To Use Thermal Data Found in Data SheetsAND8220/D (208.0kB)0
Semiconductor Package Thermal CharacterizationAND8215/D (363.0kB)0
Storage and Handling of Drypack Surface Mount DeviceAND8003/D (49kB)2Mar, 2016
Package Drawings (1)
Document TitleDocument ID/SizeRevision
8X8MM 0.5MM PITCH485M (60.8kB)C
Data Sheets (1)
Document TitleDocument ID/SizeRevisionRevision Date
Fanout Clock Driver, 3.3 V Differential in 1:21 Differential, with HCSL OutputsNB3N121K/D (130.0kB)1
Order Information
ProductStatusCompliancePackageMSL*ContainerBudgetary Price/Unit
NB3N121KMNGActivePb-free Halide freeQFN-52485M1Tray JEDEC260Contact BDTIC
NB3N121KMNR2GActivePb-free Halide freeQFN-52485M1Tape and Reel2000Contact BDTIC
Specifications
ProductTypeChannelsInput / Output RatioInput LevelOutput LevelVCC Typ (V)tJitterRMS Typ (ps)tskew(o-o) Max (ps)tpd Typ (ns)tR & tF Max (ps)fmaxClock Typ (MHz)fmaxData Typ (Mbps)
NB3N121KMNGBuffer11:21TTL HCSL ECL LVDS CMOSHCSL3.30.11000.8700400
NB3N121KMNR2GBuffer11:21HCSL ECL CMOS LVDS TTLHCSL3.30.11000.8700400
Fanout Clock Driver, 3.3 V Differential in 1:21 Differential, with HCSL Outputs (130.0kB) NB3N121K
Board Level Application Notes for DFN and QFN Packages NB6L56
Board Mounting Notes for Quad Flat-Pack No-Lead Package (QFN) NB100LVEP91
Clock Generation and Clock and Data Marking and Ordering Information Guide NB100LVEP91
How To Use Thermal Data Found in Data Sheets NGTB15N60EG
Semiconductor Package Thermal Characterization NGTB15N60EG
Storage and Handling of Drypack Surface Mount Device NB3U23C
8X8MM 0.5MM PITCH NB4L7210