SiT9371

Ultra-Low Jitter Differential XO for PCIe Frequencies

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The SiT9371 is optimized for PCIe applications requiring low jitter and low power, and is available in the industry’s smallest differential package.

This differential oscillator supports 100 MHz, commonly used in networking and other communications applications. This device delivers 10 fs RMS jitter (typ.) for PCIe Gen 6 applications, excellent immunity to power supply noise and environmental hazards, industry-standard package sizes down o 2.0 x 1.6 mm, low-power options, and wide temperature support up to 105°C.

The SiT9371 offers popular output drivers for LVPECL, LVDS, HCSL and low-power HCSL with integrated termination resistors. The SiT9371 accepts power-supply voltages from 3.3 V down to 1.8 V for additional power savings.

View related products: XO lineup
Related blog: Jitter 101. What you need to know.


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6-pin 2.0x1.6 Atna Oscillator
"Specs" "Value"
Frequency 100 MHz
Frequency Stability (ppm) ±20 , ±25 , ±30 , ±50
Operating Temperature Range (°C) -20 to 70 , -40 to 85 , -40 to 95 , -40 to 105
Package Type (mm²) 2.0 x 1.6 , 2.5 x 2.0 , 3.2 x 2.5
Oscillator Type XO-DE
Phase Jitter (rms) 10 fs
Voltage Supply (V) 1.8 , 2.5 , 3.3 , 1.71 to 3.63 , 1.71 to 3.63
PCIe Support Gen 1 to Gen 6
Features Ultra-low jitter, small size
Availability Production

Exceptional dynamic performance in real-life operating conditions

  • 10 fs RMS phase jitter (typ.), per PCIe Gen 6 standard 
  • ±20 ppm stability
  • Excellent system performance under environmental stress

20x better vibration sensitivity

  • Minimizes packet loss in high-vibration environments

0.01 ps/mV power supply induced jitter sensitivity

  • Simplify power supply design

2.0 x 1.6 mm package

  • Enables small form-factor system with stringent jitter requirement

Flexible programmable features

  • 1.8 to 3.63 V
  • LVPECL, LVDS, HCSL, Low-power HCSL, output drivers and terminations

Superior reliability

  • 1 billion hours MTBF
  • Lifetime warranty
  • Reduces field failures due to clock components and associated repair costs
  • PCIe
  • Networking & Communication Systems
  • Industrial Control Systems
  • Storage, Servers & Datacenters
  • Test & Measurement

 

SiT6760EB Eval Board User Manual – Evaluate oscillator performance

Frequency Slope (dF/dT) Calculator – Calculate frequency slope over temperature

Jitter Calculator and Plots – Convert phase noise to phase jitter, find phase noise plots

3225 6-Pins | 5032 6-Pins with CP | 7050 6-Pins with CP – Preview packages with QFN 3D step models

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