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- Products Overview
58必威网站6
- SiT95145
- SiT95147
- SiT95148
- SiT95141
- SiT95143
- SiT9120
- SiT9121
- SiT9122
- SiT9365
- SiT9366
- SiT9367
- SiT9501
- SiT9375
- SiT1602
- SiT2001
- SiT2002
- SiT8008
- SiT8009
- SiT8208
- SiT8209
- SiT1618
- SiT2018
- SiT2019
- SiT2020
- SiT2021
- SiT2024
- SiT2025
- SiT8918
- SiT8919
- SiT8920
- SiT8921
- SiT8924
- SiT8925
- SIT9386
- SiT9387
- SiT9025
- SiT9002
- SiT9003
- SiT9005
- SiT3372
- SiT3373
- SiT3807
- SiT3808
- SiT3809
- SiT3907
- SiT3921
- SiT3922
- SiT3521
- SiT3522
- SiT5711
- SiT5721
- SiT5155
- SiT5156
- SiT5157
- SiT5356
- SiT5357
- SiT5359
- SiT5358
- SiT5021
- SiT5022
- SiT5008
- SiT5186
- SiT5187
- SiT5386
- SiT5387
- SiT5146
- SiT5147
- SiT5346
- SiT5348
- SiT5349
- SiT5347
- SiT2045
- SiT2044
- SiT8945
- SiT8944
- SiT9045
- SiT9346
- SiT9347
- SiT3541
- SiT3542
- SiT3343
- SiT3342
- SiT1580
- SiT1581
- SiT1532
- SiT1533
- SiT1572
- SiT1630
- SiT1573
- SiT1552
- SiT1566
- SiT1568
- SiT1534
- SiT1569
- SiT1576
- SiT1579
- SiT8021
- SiT1252 Embedded MEMS kHz Resonator
- SiT11XX
- Description:
  Low Jitter, 10-output MEMS Jitter Cleaner
- Description:
  Low Jitter, 8-output MEMS Network Synchronizer
- Description:
  Low Jitter, 11-output MEMS Network Synchronizer
- Description:
  Low Jitter, 10-output MEMS Clock Generator
- Description:
  Low Jitter, 11-output MEMS Clock Generator
- Description:
  标准频率±10±50 ppm微分XO
- Description:
  1 to 220 MHz, ±10 to ±50 ppm Differential XO
- Description:
  220 to 625 MHz, ±10 to ±50 ppm Differential XO
- Description:
  Standard Frequency Ultra-low Jitter Differential XO
- Description:
  1 to 220 MHz, Ultra-low Jitter Differential XO
- Description:
  220 to 725 MHz, Ultra-low Jitter Differential XO
- Description:
  Ultra-low Jitter Differential XO for Standard Networking Frequencies
- Description:
  Low Jitter Differential XO for Standard Networking Frequencies
- Description:
  3.57 to 77.76 MHz, Low Power Oscillator
- Description:
  1 to 110 MHz, SOT23 Oscillator
- Description:
  115 to 137 MHz, SOT23 Oscillator
- Description:
  1 to 110 MHz, Low Power Oscillator
- Description:
  115 to 137 MHz, Low Power Oscillator
- Description:
  1 to 80 MHz, ±10 to ±50 ppm Oscillator
- Description:
  80 to 220 MHz, ±10 to ±50 ppm Oscillator
- Description:
  Standard Frequency, High Temperature Oscillator
- Description:
  1 to 110 MHz, High Temperature (-40 to +125°C) SOT23 Oscillator
- Description:
  115 to 137 MHz, High Temperature (-40 to +125°C) SOT23 Oscillator
- Description:
  1 to 110 MHz, Wide Temperature (-55 to +125°C) SOT23 Oscillator
- Description:
  119 to 137 MHz, Wide Temperature (-55 to +125°C) SOT23 Oscillator
- Description:
  1 to 110 MHz, Wide Temperature AEC-Q100 SOT23 Oscillator
- Description:
  115 to 137 MHz, Wide Temperature AEC-Q100 SOT23 Oscillator
- Description:
  1 to 110 MHz, High Temperature Oscillator (-40 to +125°C)
- Description:
  115 to 137 MHz, High Temperature Oscillator (-40 to +125°C)
- Description:
  1 to 110 MHz, Wide Temperature Oscillator (-55 to +125°C)
- Description:
  119 to 137 MHz, Wide Temperature Oscillator (-55 to +125°C)
- Description:
  1 to 110 MHz, Wide Temperature AEC-Q100 Oscillator (-55 to +125°C)
- Description:
  115 to 137 MHz, Wide Temperature AEC-Q100 Oscillator (-55 to +125°C)
- Description:
  1 to 220 MHz, AEC-Q100 Ultra-low Jitter Differential XO
- Description:
  220 to 725 MHz, AEC-Q100 Ultra-low Jitter Differential XO
- Description:
  1 to 150 MHz, AEC-Q100 Spread-spectrum Oscillator
- Description:
  1 to 220 MHz, Differential Spread-spectrum Oscillator
- Description:
  1 to 110 MHz, Low Power Spread-spectrum Oscillator
- Description:
  1 to 141 MHz, Spread-spectrum Oscillator
- Description:
  1 to 220 MHz Ultra-low Jitter Differential VCXO
- Description:
  220 to 725 MHz Ultra-low Jitter Differential VCXO
- Description:
  Standard Frequency VCXO
- Description:
  1 to 80 MHz, ±10 to ±50 ppm VCXO
- Description:
  80 to 220 MHz, ±10 to ±50 ppm VCXO
- Description:
  1 to 220 MHz, ±10 to ±50 ppm Digitally-controlled XO
- Description:
  1 to 220 MHz, Differential Digitally-controlled XO
- Description:
  220 to 625 MHz, Differential Digitally-controlled XO
- Description:
  1 to 340 MHz I2C/SPI Programmable Oscillator
- Description:
  340 to 725 MHz I2C/SPI Programmable Oscillator
- Description:
  1 to 60 MHz, Stratum 3E OCXO
- Description:
  1 to 60 MHz, Stratum 3E DCOCXO
- Description:
  ±0.5 ppm Super-TCXO for GNSS/GPS
- Description:
  1 to 60 MHz, ±0.5 to ±2.5 ppm Super-TCXO
- Description:
  60 to 220 MHz, ±0.5 to ±2.5 ppm Super-TCXO
- Description:
  1 to 60 MHz, Stratum 3 Super-TCXO
- Description:
  60 to 220 MHz, Stratum 3 Super-TCXO
- Description:
  60 to 220 MHz, ±50 ppb Super-TCXO
- Description:
  1 to 60 MHz, ±50 ppb Super-TCXO
- Description:
  1 to 220 MHz, ±5 ppm Differential (VC)TCXO
- Description:
  220 to 625 MHz, ±5 ppm Differential (VC)TCXO
- Description:
  ±2 to ±10 ppm Low-Power TCXO, 10 to 60 MHz
- Description:
  1 to 60 MHz, ±0.5 to ±2.5 ppm AEC-Q100 Super-TCXO
- Description:
  60 to 220 MHz, ±0.5 to ±2.5 ppm AEC-Q100 Super-TCXO
- Description:
  1 to 60 MHz, ±0.1 to ±2.5 ppm AEC-Q100 Super-TCXO
- Description:
  60 to 220 MHz, ±0.1 to ±2.5 ppm AEC-Q100 Super-TCXO
- Description:
  1 to 60 MHz, ±0.5 to ±2.5 ppm Super-TCXO
- Description:
  60 to 220 MHz, ±0.5 to ±2.5 ppm Super-TCXO
- Description:
  1 to 60 MHz, ±0.1 to ±0.25 ppm precision Super-TCXO
- Description:
  1 to 60 MHz, ±50-ppb precision Super-TCXO
- Description:
  60 to 220 MHz, ±50-ppb precision Super-TCXO
- Description:
  60至220 MHz,±0.1±0.25 ppm Super-T精度CXO
- Description:
  115 to 137 MHz, Extended Temperature (-55 °C to 125 °C) SOT-23 Oscillator
- Description:
  1 to 110 MHz, Extended Temperature (-55 °C to 125 °C) SOT-23 Oscillator
- Description:
  115 to 137 MHz, Extended Temperature (-55 °C to 125 °C) Oscillator
- Description:
  1 to 110 MHz, Extended Temperature (-55 °C to 125 °C) Oscillator
- Description:
  1 to 150 MHz, Spread-spectrum, Extended Temperature (-55°C to 125 °C)
- Description:
  1 to 220 MHz, Ultra-low Jitter, ±10 to ±50 ppm Differential Oscillator
- Description:
  220 to 725 MHz, Ultra-low Jitter, ±10 to ±50 ppm Differential Oscillator
- Description:
  1 to 340 MHz, Ultra-Low Jitter, ±20 to ±50 ppm, I2C Programmable Oscillator
- Description:
  340 to 725 MHz, Ultra-Low Jitter, ±20 to ±50 ppm, I2C Programmable Oscillator
- Description:
  220 to 725 MHz, Ultra-Low Jitter, ±15 to ±50 ppm VCXO
- Description:
  1 to 220 MHz, Ultra-Low Jitter, ±15 to ±50 ppm VCXO
- Description:
  Ultra-Small, Low-Power, Low-Jitter, ±5 ppm, 32.768 kHz TCXO
- Description:
  Ultra-Small, Low-Power, Low-Jitter, 1 Hz to 2.5 MHz Oscillator
- Description:
  Ultra-Small µPower, 32.768 kHz Quartz XTAL Replacement
- Description:
  µPower, 32.768 kHz Quartz XTAL Replacement
- Description:
  Ultra-Small Low-Jitter, 32.768 kHz ±50 ppm Oscillator
- Description:
  Ultra-Low Power, Ultra-Small 32.768 kHz or 16.384 kHz Oscillator
- Description:
  Ultra-Small Low-Jitter, 32.768-kHz ±100-ppm Oscillator
- Description:
  Ultra-Small µPower, ±5 to ±20 ppm, 32.768 kHz TCXO
- Description:
  Ultra-Small, Low-Power, Low-Jitter, ±3 to ±5 ppm, 32.768 kHz TCXO
- Description:
  Ultra-Small Low Power, ±5 ppm, 32.768 kHz TCXO with In-System Auto-Calibration
- Description:
  Ultra-Small µPower, 1 Hz to 32.768 kHz Oscillator
- Description:
  Ultra-Small Low Power, 1 Hz to 462.5 kHz, ±50 ppm Oscillator
- Description:
  Ultra-Small Low Power, Low-Jitter, 1 Hz to 2.5 MHz TCXO
- Description:
  Ultra-Small, Low-Power, Low-Jitter, 1 Hz to 2.5 MHz Oscillator
- Description:
  1 to 26 MHz, Ultra-Small µPower Oscillator
- Description:
  SiT1252 Embedded MEMS kHz Resonator
- Description:
  ApexMEMS MHz Resonators, 0.18 mm2
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SiT3521AI-1C233-3Y50.000000

Device Type	I2C/SPI Oscillators
Frequency	50 MHz
Frequency Stability (ppm)	25
Operating Temp. Range (°C)	-40 to 85
Output Type	LVPECL
Supply Voltage (V)	3.30
Package Size (mm x mm)	5.0x3.2
Package Height (mm)	0.75
Output Drive Strength*	Default
Feature Pin	OE, Pin 1-2 NC
Pull Range (PPM PR)	800
Spread Percentage	n/a
Swing Select	n/a
DC-Coupled Output VOL or AC Swing	n/a
DC-Coupled Output VOH	n/a
RoHS	Yes

*See datasheet for details

In-system programmable from 1 MHz and 340 MHz via I²C/SPI

Digital frequency pulling (DCO) via I²C/SPI

Output frequency pulling with perfect pull linearity
13 programmable pull range options to ±3200 ppm
Frequency pull resolution as low as 5 ppt (0.005 ppb)

Dynamic performance

0.1 ppb/g, superior shock and vibration resistance
No activity dips or micro jumps

Integrated LDO for on-chip power supply noise filtering

0.05 ps/mV power supply noise rejection (PSNR)
Reduces BOM by eliminating a LDO

Programmable LVPECL, LVDS, or HCSL output

Programmable LVPECL, LVDS Swing
LVDS共模电压控制
Optimizes signal integrity

Superior reliability

1 billion hours MTBF
Lifetime Warranty: Reduces repair costs and field failures due to clock components

10G to 100G Ethernet
SONET
Data centers
Test and measurement

Document Name	Type
Electronics Industry Citizen Coalition Template	Other Quality Documents
Manufacturing Notes for SiTime Products	Other Quality Documents
SiTime Conflict Metal Declaration	Other Quality Documents
SiTime Environmental Policy	Other Quality Documents
SiTime Warranty on Date Code	Other Quality Documents
ISO9001:2015 Certificate of Registration	Other Quality Documents
Conflict Minerals Reporting Template	Other Quality Documents
SiT93XX DEXO, SiT33XX VCXO, SiT335X DCXO Product Qualification Report	Reliability Reports
6L/10L-QFN Packages B, C, and E Qualification Report - ASE	Reliability Reports
4L/6L-QFN Package Homogeneous Materials and SGS Report	RoHS/Reach/Green Certificates

SiT6712 (5032) Evaluation Board User Manual– Evaluate oscillator performance

TimeMaster Configuration Software– Configure and evaluate oscillators via I2C/SP

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

QFN 5032 10-Pins3D Step Model– Preview oscillator packages in 3D

Resource Name	Type
AN10006 Best Design and Layout Practices	Application Notes
AN10007 Clock Jitter Definitions and Measurement Methods	Application Notes
AN10025 Reliability Calculations for SiTime Oscillators	Application Notes
AN10028 Probing Oscillator Output	Application Notes
AN10033 Frequency Measurement Guidelines for Oscillators	Application Notes
SiTime's MEMS First™ and EpiSeal™ Processes	Technology Papers
SiT3521 Datasheet	Datasheets
AN10050 I2C/SPI Programmable Oscillators	Application Notes
AN10052 IEEE 1588 Precision Time Protocol (PTP) in ITU-T Standards	Application Notes
AN10029 Output Terminations for Differential Oscillators	Application Notes
DualMEMS and TurboCompensation Temperature Sensing Technology	Technology Papers
SC-AN10007 时钟抖动定义与测量方法	Application Notes
SC-AN10033 振荡器频率测量指南	Application Notes
Timing Solutions for Communications & Enterprise	Brochures/Fliers
AN10062 Phase Noise Measurement Guide for Oscillators	Application Notes
Phase Noise Measurement Tutorial	Videos
SiT3521 (HCSL, 3.3 V)	IBIS Models
SiT3521 (HCSL, 2.5 V)	IBIS Models
SiT3521 (LVDS, 3.3 V)	IBIS Models
SiT3521 (LVDS, 2.5 V)	IBIS Models
SiT3521 (LVPECL, 3.3 V)	IBIS Models
SiT3521 (LVPECL, 2.5 V)	IBIS Models
PCI Express Refclk Jitter Compliance using a Phase Noise Analyzer	Presentations
SiT6701DM Demo Board User Manual	User Manuals
SiTime MEMS Oscillators - Revolutionizing the Timing Market	Videos
Jitter Part 1: Principles and Practice with an Overview of Period Jitter	Videos
Jitter Part 2: Phase Noise and Phase Jitter	Videos
Jitter Part 3: C2C Jitter and Long Term Jitter	Videos
QFN 5032 10-Pins	3D Step Models
SiT6701DM Demo Board Quick Start Guide	User Manuals
SiT6702DM Demo Board Quick Start Guide	User Manuals
SiTime MEMS Timing Solutions (8.5x11)	Brochures/Fliers
SiTime MEMS Timing Solutions (A4)	Brochures/Fliers
SiTime MEMS Timing Solutions (A4) Chinese	Brochures/Fliers
Timing Solutions for Industrial	Brochures/Fliers
Silicon Replaces Quartz (Japanese Subtitles)	Videos
Silicon Replaces Quartz (Chinese Subtitles)	Videos
SiTime MEMS First 工艺	Technology Papers
AN10073 How to Setup a Real-time Oscilloscope to Measure Jitter	Application Notes
AN10071 Computing TIE Crest Factors for Telecom Applications	Application Notes
AN10070 Computing TIE Crest Factors for Non-telecom Applications	Application Notes
AN10072 Determine the Dominant Source of Phase Noise, by Inspection	Application Notes
AN10074 Removing Oscilloscope Noise from RMS Jitter Measurements	Application Notes

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SiT3521AI-1C233-3Y50.000000

SiT3521AI-1C233-3Y50.000000

Tape & Reel Options

In-system programmable from 1 MHz and 340 MHz via I²C/SPI

Digital frequency pulling (DCO) via I²C/SPI

Dynamic performance

Integrated LDO for on-chip power supply noise filtering

Programmable LVPECL, LVDS, or HCSL output

Superior reliability

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SiT3521AI-1C233-3Y50.000000

SiT3521AI-1C233-3Y50.000000

Tape & Reel Options

In-system programmable from 1 MHz and 340 MHz via I2C/SPI

Digital frequency pulling (DCO) via I2C/SPI

Dynamic performance

Integrated LDO for on-chip power supply noise filtering

Programmable LVPECL, LVDS, or HCSL output

Superior reliability

Narrow By:

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In-system programmable from 1 MHz and 340 MHz via I²C/SPI

Digital frequency pulling (DCO) via I²C/SPI