1 to 80 MHz, ±10 to ±50 ppm Oscillator

The SiT8208 is an ultra-performance oscillator for telecom, storage, networking and wireless applications. It is the industry's first MEMS oscillator to deliver 500 femtoseconds of typical integrated RMS phase jitter (12 kHz to 20 MHz) and ± 10 ppm frequency stability across all temperature ranges. It supports a rich set of configurable features, such as any frequency between 1 and 80 MHz and FlexEdge™ EMI reduction technology that improves system performance and ensures the fastest time-to-market. The SiT8208 is 100% compatible with legacy quartz, SAW and overtone oscillators in footprint and package, and replaces these devices without any design changes.

Program oscillators to get instant samples, optimized performance, and fast prototyping | Learn More

Industry standard packages for drop-in replacement of quartz oscillators without any board changes
Oscillator Type XO-SE
Frequency 1 to 80 MHz
Frequency Stability (ppm) ±10, ±20, ±25, ±50
Operating Temperature Range (°C) -20 to +70, -40 to +85
Output type LVCMOS
Package Type (mm²) 2.5x2.0, 3.2x2.5, 5.0x3.2, 7.0x5.0
Phase Jitter (RMS) 0.5 ps
Features Field programmable, Low jitter
Voltage Supply (V) 1.8, 2.5 to 3.3
FlexEdgeTM Rise/Fall Time Yes
Availability Production

<1ps integrated RMS phase jitter (12 kHz to 20 MHz)

  • Excellent jitter margin for the most stringent applications

Excellent frequency stability, as low as ±10 ppm

  • Better timing margin that enhances system stability and robustness

Extensive programmability

  • Frequency from 1 to 80 MHz
  • Supply voltage of 1.8 V; 2.5 V to 3.3 V
  • Frequency stability from ±10 ppm to ±50 ppm:
  • Customized specifications for optimal system performance
  • Easy availability of any device specification within the operating range

Configurable drive strength using FlexEdge™ technology

  • Slower rise/fall time that reduces system EMI
  • Saves cost by driving multiple loads and eliminates external buffers;

Three industry-standard packages

  • 100% drop-in replacement for quartz oscillator, SAW and overtone oscillators without any design changes;

4 to 6 weeks lead time   

  • Reduce inventory overhead
  • Mitigate shortage risks

 

  • Telecom and optical equipment
  • Storage servers & SSD
  • Raid controllers
  • Routers
  • Switches
  • Wireless equipment
  • SONET, SyncE
  • SATA/SAS
  • Fibre channel
  • 100M / 1G/ 10G Ethernet
  • LTE, GSM, CDMA, WiFi
  • DSL & DOCSIS

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Resource Name Type
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Performance Comparison: Silicon MEMS Verses Quartz Oscillators Presentations
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SiT8208 Datasheet Datasheets
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J-AN10006 発振器のPCBデザインのガイドライン Application Notes
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J-AN10028 プローブを使用した発振器の出力波形計測方法 Application Notes
AN10028 Probing Oscillator Output Application Notes
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MEMS発振器と水晶発振器の性能比較(耐衝撃と耐振動) Technology Papers
Shock and Vibration Comparison of MEMS and Quartz-based Oscillators Technology Papers
J-AN10033 発振器の周波数測定ガイドライン Application Notes
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SiTimeの MEMS First™ プロセス技術 Technology Papers
SiTime's MEMS First™ and EpiSeal™ Processes Technology Papers
The top 8 reasons to use an oscillator instead of a crystal resonator White Papers
MEMS Resonator Advantages - How MEMS Resonators Work Part 2 Presentations
How to Measure Long-term Jitter and Cycle-to-cycle Jitter in Precision Timing Applications Presentations
Silicon MEMS Oscillator Frequency Characteristics and Measurement Techniques Presentations
SC-AN10007 时钟抖动定义与测量方法 Application Notes
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SiTime MEMS First 工艺 Application Notes
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AN10062 Phase Noise Measurement Guide for Oscillators Application Notes
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Phase Noise Measurement Tutorial (Download MP4 Video) Videos
PCI Express Refclk Jitter Compliance using a Phase Noise Analyzer Presentations
Advantages of MEMS Timing - Parameters (Download MP4 Video) Videos
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