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Zero Delay Buffers | NB3W1200L

3.3 V 100/133 MHz Differential 1:12 Push-Pull Clock ZDB/Fanout Buffer for PCle

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Overview

The NB3N1200K and NB3W1200L differential clock buffers areDB1200Z and DB1200ZL compliant and are designed to work inconjunction with a PCIe compliant source clock synthesizer to providepoint鈭抰o鈭抪oint clocks to multiple agents. The device is capable ofdistributing the reference clocks for Intel庐 QuickPath Interconnect(Intel QPI & UPI), PCIe Gen1/Gen2/Gen3/Gen4, SAS, SATA, and Intel ScalableMemory Interconnect (Intel SMI) applications. The VCO of thedevice is optimized to support 100 MHz and 133 MHz frequencyoperation. The NB3N1200K and NB3W1200L utilizepseudo鈭抏xternal feedback topology to achieve low input鈭抰o outputdelay variation. The NB3N1200K is configured with the HCSL buffertype, while the NB3W1200L is configured with the low鈭抪owerNMOS Push鈭扨ull buffer type.

  • Industrial
  • Networking
  • Computing
  • Consumer

  • Desktop
  • Notebook
  • Switchers/Routers
  • Servers
  • Set Top Box
  • Automated Test Equipment

  • 12 Differential Clock Output Pairs @ 0.7 V
  • Low鈭扨ower NMOS Push鈭扨ull Compatible Outputs for NB3W1200L
  • Optimized 100 MHz and 133 MHz Operating Frequencies to Meet The Next Generation PCIe Gen 2/Gen 3/ Gen 4 and Intel QPI & UPI Phase Jitter
  • DB1200ZL Compliant
  • 3.3 V 卤5% Supply Voltage Operation
  • Fixed鈭扚eedback for Lowest Input鈭扵o鈭扥utput Delay Variation
  • SMBus Programmable Configurations to Allow Multiple Buffers in aSingle Control Network
  • PLL Bypass Configurable for PLL or Fanout Operation
  • Programmable PLL Bandwidth
  • 2 Tri鈭抣evel Addresses Selection (9 SMBUS Addresses)
  • Individual OE Control Pin for Each of 12 Outputs
  • 50 ps Max Output鈭抰o鈭扥utput Skew Performance
  • 50 ps Max Cycle鈭抰o鈭扖ycle Jitter (PLL mode)
  • 100 ps Input to Output Delay Variation Performance
  • QFN 64鈭抪in Package, 9 mm x 9 mm
  • Spread Spectrum Compatible: Tracks Input Clock Spreading for LowEMI
  • 0掳C to +70掳C Ambient Operating Temperature

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NB3W1200LMNTXG

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CAD Model

Pb

A

H

P

QFN-64

485DH

3

260

REEL

1000

N

HCSL

HCSL

12

3.3

50

133

50

Price N/A

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Reliability Data

Die Related Summary Data

Device: NB3W1200LMNTXG

Equivalent to wafer fab process: ONC25

Product Technology

Product Technology

Equivalent Device-Hours

MTBF/MTTF in Hours

FITS

ONC25

1

2712519294

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Re-calculate Data

Data is based on the following assumptions.

Note: The temperature and confidence level may be adjusted to your requirements.

Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)

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