Please refer to the English Version as our Official Version.

Europe: France~~(Français)~~ Germany~~(Deutsch)~~ Italy~~(Italia)~~ Russian~~(русский)~~ Poland~~(polski)~~ Czech~~(Čeština)~~ Luxembourg~~(Lëtzebuergesch)~~ Netherlands~~(Nederland)~~ Iceland~~(íslenska)~~ Hungarian~~(Magyarország)~~ Spain~~(español)~~ Portugal~~(Português)~~ Turkey~~(Türk dili)~~ Bulgaria~~(Български език)~~ Ukraine~~(Україна)~~ Greece~~(Ελλάδα)~~ Israel~~(עִבְרִית)~~ Sweden~~(Svenska)~~ Finland~~(Svenska)~~ Finland~~(Suomi)~~ Romania~~(românesc)~~ Moldova~~(românesc)~~ Slovakia~~(Slovenská)~~ Denmark~~(Dansk)~~ Slovenia~~(Slovenija)~~ Slovenia~~(Hrvatska)~~ Croatia~~(Hrvatska)~~ Serbia~~(Hrvatska)~~ Montenegro~~(Hrvatska)~~ Bosnia and Herzegovina~~(Hrvatska)~~ Lithuania~~(lietuvių)~~ Spain~~(Português)~~ Switzerland~~(Deutsch)~~ United Kingdom~~(English)~~

Asia/Pacific: Japan~~(日本語)~~ Korea~~(한국의)~~ Thailand~~(ภาษาไทย)~~ Malaysia~~(Melayu)~~ Singapore~~(Melayu)~~ Vietnam~~(Tiếng Việt)~~ Philippines~~(Pilipino)~~

Africa, India and Middle East: United Arab Emirates~~(العربية)~~ Iran~~(فارسی)~~ Tajikistan~~(فارسی)~~ India~~(हिंदी)~~ Madagascar~~(malaɡasʲ)~~

South America / Oceania: New Zealand~~(Maori)~~ Brazil~~(Português)~~ Angola~~(Português)~~ Mozambique~~(Português)~~

North America: United States~~(English)~~ Canada~~(English)~~ Haiti~~(Ayiti)~~ Mexico~~(español)~~

Home Products Crystals, Oscillators, Resonators Oscillators~~SIT8209AI-22-28S-133.300000Y~~

Image may be representation.
See specifications for product details.

~~Favorite~~

EXPRESS OPTION

Payment method

SIT8209AI-22-28S-133.300000Y - SiTime

Name: SiTime SIT8209AI-22-28S-133.300000Y
Brand: SiTime
SKU: SIT8209AI-22-28S-133.300000Y
Price: 1.509 USD
Availability: InStock
Rating: 5 (8 reviews)

Manufacturer Part Number: SIT8209AI-22-28S-133.300000Y

Manufacturer: SiTime

Allelco Part Number: 98D-SIT8209AI-22-28S-133.300000Y

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 33,253 pcs available, New & Original

Parts Description: -40 TO 85C, 3225, 25PPM, 2.8V, 1

Package

Data sheet: SIT8209AI-22-28.pdf

Datasheets
SiT8209.pdf

RoHs Status: Lead free / RoHS Compliant

~~Compare~~

Our certification

In stock: 33253

Unit Price: $1.509
Subtotal: $0.00

Want a better price?
Add to Cart and Submit RFQ now, we'll contact you immediately.

Quantity	Unit Price	Ext. Price
1+	$1.509	$1.51

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

SIT8209AI-22-28S-133.300000Y Tech Specifications
SiTime - SIT8209AI-22-28S-133.300000Y technical specifications, attributes, parameters and parts with similar specifications to SiTime - SIT8209AI-22-28S-133.300000Y

Product Attribute	Attribute Value
Manufacturer	SiTime
Series	*
Packaging	Tape & Reel (TR)
Moisture Sensitivity Level (MSL)	1 (Unlimited)

Product Attribute	Attribute Value
Manufacturer Standard Lead Time	5 Weeks
Lead Free Status / RoHS Status	Lead free / RoHS Compliant
Detailed Description	Oscillator

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	Lead free / RoHS Compliant

Frequently Asked Questions(FAQ)

How does the SIT8209AI-22-28S-133.300000Y oscillator compare to traditional crystal oscillators in terms of frequency stability under varying temperature conditions?: The SIT8209AI-22-28S-133.300000Y achieves ±25ppm frequency stability across its full operating range from -40℃ to +85℃, which is significantly tighter than typical crystal oscillators that often exhibit ±50ppm or worse under the same thermal stress. This enhanced stability eliminates the need for external compensation circuitry in most applications and reduces board space requirements, making it particularly advantageous in compact designs where precision timing must be maintained without additional components.

What are the key design trade-offs when selecting the SIT8209AI-22-28S-133.300000Y versus a fixed-frequency MEMS oscillator with similar specifications?: While both the SIT8209AI-22-28S-133.300000Y and comparable fixed MEMS oscillators offer stable operation at 133.3MHz, the SiTime device provides reprogrammability through its internal memory, allowing engineers to adjust parameters post-deployment without replacing hardware. However, this flexibility comes at a slight current cost—the SIT8209AI draws 36mA, whereas some fixed MEMS alternatives may consume as little as 28mA. This difference becomes critical in battery-powered systems where power budgeting dictates component selection.

Can the SIT8209AI-22-28S-133.300000Y be used reliably in automotive-grade applications requiring AEC-Q200 certification?: Although the SIT8209AI-22-28S-133.300000Y operates over an industrial temperature range of -40℃ to +85℃, it is not inherently qualified to AEC-Q200 standards required for most automotive environments. Engineers considering use in automotive systems must verify with SiTime whether a qualified variant exists or pursue additional reliability testing, which adds time and cost to the development cycle but ensures compliance with stringent automotive safety and durability requirements.

What impact does the LVCMOS/LVTTL output type have on signal integrity when using the SIT8209AI-22-28S-133.300000Y in high-speed digital systems?: The LVCMOS/LVTTL compatibility of the SIT8209AI-22-28S-133.300000Y enables direct interface with a wide range of microcontrollers and FPGAs without level-shifting circuitry, simplifying PCB layout and reducing component count. At 133.3MHz, however, proper termination and controlled impedance routing become essential to maintain signal fidelity. Poor trace matching can introduce jitter exceeding the ±25ppm specification, especially over longer interconnects, necessitating careful layout analysis during system integration.

How does the supply voltage of 2.8V influence power consumption and noise sensitivity for the SIT8209AI-22-28S-133.300000Y compared to 3.3V counterparts?: Operating at 2.8V rather than 3.3V reduces dynamic power dissipation proportionally to the square of the voltage drop, lowering overall current draw despite the 36mA specification. However, this lower swing also makes the output more susceptible to noise-induced threshold errors in noisy environments unless robust decoupling and shielding are implemented. Designers must balance noise margin against power savings when selecting between voltage variants for sensitive analog-digital hybrid systems.

Is it possible to program multiple frequencies using the same SIT8209AI-22-28S-133.300000Y unit through firmware updates?: Yes, the SIT8209AI-22-28S-133.300000Y supports reprogramming via its integrated non-volatile memory, enabling configuration changes such as switching from 133.3MHz to other supported frequencies without physical replacement. This feature facilitates field upgrades or adaptive clocking strategies but requires compatible programming tools and secure communication protocols to prevent unintended parameter corruption during update cycles.

What are the implications of the Tape & Reel (TR) packaging format for automated assembly when sourcing the SIT8209AI-22-28S-133.300000Y?: The Tape & Reel packaging ensures compatibility with standard pick-and-place equipment, streamlining high-volume manufacturing for the SIT8209AI-22-28S-133.300000Y. It also minimizes handling damage during storage and transport, preserving solderability and mechanical integrity. However, procurement teams must confirm reel quantities and moisture sensitivity levels align with production schedules to avoid delays caused by improper handling or premature exposure to ambient humidity.

How does the SMD3225-4P footprint compare to larger oscillator packages in terms of board real estate and thermal performance?: The SMD3225-4P package occupies minimal surface area—approximately 3.2mm × 2.5mm—allowing dense placement of the SIT8209AI-22-28S-133.300000Y alongside other surface-mount components. While this saves valuable PCB space, it also concentrates heat generation within a small volume, potentially affecting long-term reliability if adjacent high-power devices generate excessive thermal load. Adequate copper pour isolation and airflow management are recommended in thermally constrained designs.

What considerations apply when cascading multiple SIT8209AI-22-28S-133.300000Y units in a multi-clock architecture?: When deploying multiple instances of the SIT8209AI-22-28S-133.300000Y, phase alignment and skew accumulation must be evaluated, especially at 133.3MHz where timing margins are tight. Although each unit maintains ±25ppm stability independently, cumulative phase error over multiple stages can degrade synchronous operation in memory interfaces or parallel bus systems. Using synchronized programming or master-slave architectures helps mitigate these risks.

How does the current consumption of 36mA at 2.8V affect total system power budget in portable electronics using the SIT8209AI-22-28S-133.300000Y?: At 2.8V and 36mA, the SIT8209AI-22-28S-133.300000Y consumes approximately 100.8mW continuously, which represents a meaningful portion of the power envelope in low-energy devices like wearables or IoT sensors. Designers must factor this into battery life calculations, possibly incorporating clock gating or dynamic frequency scaling if supported by the host processor. Selecting alternative oscillators with lower quiescent current could extend operational duration in energy-sensitive deployments.

What steps should be taken to ensure reliable operation of the SIT8209AI-22-28S-133.300000Y during rapid temperature transitions?: To maintain performance across extreme thermal shifts, engineers should implement adequate thermal decoupling—such as avoiding direct contact with heat-generating ICs—and include bulk capacitors near the VDD pin to stabilize supply rails during transient heating or cooling. Additionally, verifying startup behavior after cold boot below -20℃ is advisable, as MEMS oscillators like the SIT8209AI-22-28S-133.300000Y can exhibit longer stabilization times under sudden thermal gradients compared to crystals.

Can the SIT8209AI-22-28S-133.300000Y replace a traditional crystal oscillator in legacy FPGA reference designs originally designed for 100MHz crystals?: In many cases, yes—the SIT8209AI-22-28S-133.300000Y can serve as a drop-in replacement due to its LVCMOS output and similar package profile. However, migrating from a 100MHz to 133.3MHz reference requires recalculating PLL settings, verifying setup/hold times, and ensuring the FPGA’s input tolerances accommodate the higher slew rate. Signal integrity simulations are recommended to rule out reflections or ringing that might arise from impedance mismatches at elevated frequencies.

What documentation or tools are required to program and validate the SIT8209AI-22-28S-133.300000Y after initial deployment?: Programming the SIT8209AI-22-28S-133.300000Y demands access to SiTime’s programming software and a compatible programmer/debugger interface, typically via SWD or UART. Engineers must also consult the device’s register map and configuration guide to set correct divider ratios and calibration values. Validation requires measuring actual frequency output with a calibrated counter or spectrum analyzer to confirm compliance within ±25ppm after programming.

How does the absence of a built-in crystal benefit system-level EMI when using the SIT8209AI-22-28S-133.300000Y?: Eliminating the discrete crystal reduces parasitic inductance and capacitance associated with external resonators, resulting in cleaner spectral emissions from the SIT8209AI-22-28S-133.300000Y. This simplification aids compliance with FCC Part 15 or EN 55032 radiated emission limits, particularly in compact consumer electronics where antenna proximity and enclosure effects amplify susceptibility to harmonic interference. Reduced component count also lowers risk of resonance between PCB traces and passive elements.

Are there any known limitations regarding start-up time when powering up circuits containing the SIT8209AI-22-28S-133.300000Y after prolonged standby periods?: MEMS-based oscillators like the SIT8209AI-22-28S-133.300000Y generally achieve full stability within milliseconds after power application, but extended periods of deep discharge or sub-zero storage temperatures may delay internal bias stabilization. System designers should allow sufficient warm-up time before relying on the clock signal for critical timing functions, especially in mission-critical applications where missed deadlines could compromise data integrity or functional safety.

What precautions are necessary when soldering the SIT8209AI-22-28S-133.300000Y in mass reflow processes common in SMT production?: Given its small size and lead-free requirements, the SIT8209AI-22-28S-133.300000Y demands precise thermal profiling during reflow. Excessive peak temperatures beyond 260℃ or prolonged dwell above 245℃ can degrade internal MEMS structures or cause delamination. Manufacturers typically specify a maximum ramp rate of 3℃/second to minimize thermomechanical stress, ensuring yield rates remain high while preserving frequency accuracy post-assembly.

Parts with Similar Specifications

The three parts on the right have similar specifications to SiTime SIT8209AI-22-28S-133.300000Y

Product Attribute
Part Number	SIT8209AI-22-28S-133.300000T	SIT8209AI-22-28S-133.330000Y	SIT8209AI-22-28S-133.300000	SIT8209AI-22-28S-133.300000X
Manufacturer	SiTime	SiTime	SiTime	SiTime
Series	-	-	-	-
Lead Free Status / RoHS Status	-	-	-	-
Moisture Sensitivity Level (MSL)	-	-	-	-
Packaging	-	-	-	-
Manufacturer Standard Lead Time	-	-	-	-
Detailed Description	-	-	-	-

SIT8209AI-22-28S-133.300000Y Datasheet PDF

Download SIT8209AI-22-28S-133.300000Y pdf datasheets and SiTime documentation for SIT8209AI-22-28S-133.300000Y - SiTime.

Datasheets: SiT8209.pdf

Customers Also Interested in

Recommended Products

Customer Reviews

Evaluation: 10 Articles

Nikh***ech

Aug 13, 2026

Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.
Embe***dMotion

Aug 5, 2026

Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.
FPGA***dio

Jul 30, 2026

This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.
Nord***mbedded

Jul 20, 2026

Reliable FPGA with predictable behavior. Configuration and testing went smoothly, making development faster than expected.
Arch***ct

Jul 15, 2026

Used this device in a communication signal processing board. Stable timing and no unexpected issues during implementation.
FPGA***lorer88

Jul 7, 2026

The FPGA works properly and all functions operate as expected. Documentation required some additional research, but overall it is a usable device for smaller signal processing projects.
Nath***oleman

Jun 29, 2026

Used this sensor component in an industrial automation setup. Detection accuracy was consistent and installation was straightforward.
Emil***rperTech

Jun 23, 2026

Works exactly as described. I used it as a USB-to-SPI bridge in a small MCU development project and communication was stable from the first setup.
Liam***terTech

Jun 15, 2026

Used this CPLD in a logic control project. Programming was straightforward and signal timing matched the design requirements.
Nath***rooks

Jun 11, 2026

Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

Write a Review

Your Email address will not be published.

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

Use your express account for shipment if you have one.
Use our account for the shipment. Refer to the table below for the approximate charges.

(Different time frame / countries / package size has different price.)

Delivery Method

Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region	Country	Logistic Time(Day)
America	United States	5
America	Brazil	7
Europe	Germany	5
	United Kingdom	4
	Italy	5
Oceania	Australia	6
Oceania	New Zealand	5
Asia	India	4
Asia	Japan	4
Middle East	Israel	6

DHL & FedEx Shipment Charges Reference
Shipment charges(KG)	Reference DHL(USD$)
0.00kg-1.00kg	USD$30.00 - USD$60.00
1.00kg-2.00kg	USD$40.00 - USD$80.00
2.00kg-3.00kg	USD$50.00 - USD$100.00

Note:: The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

QC (Quality Warranty)
Payment Support
Packaging
Certifications & Memberships

QC (Quality Warranty)

Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
This is achieved through our commitment to the continual improvement of our processes, services, and products.

Strict quality inspection builds a solid foundation for electronic component quality.

Visual inspection
Performance testing and reliability verification
Standardized full-process testing
Precise control of every parameter

We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.

Quality Inspection

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Stable Delivery, Sincere Partnership — Your Faithful Supply Chain Partner

Efficient Supply Management
Cost-Saving Procurement
Fast Sourcing & Delivery

Contact us if you have any questions.

Phone: +00852 9146 4856
Email: info@allelco.com

Packaging

Electrostatic Discharge Protection and Handling

All electrostatic-sensitive components are handled in accordance with electrostatic discharge control procedures. The products are hermetically sealed in anti-static safe packaging to prevent electrostatic damage. Appropriate labeling is also applied for identification and traceability. This ensures product integrity during storage, handling and transportation.

ESD

Certifications & Memberships

Third-party certified, strict quality control. Our certification

ISO 9001: 2015
ISO 13485: 2016
ISO 14001: 2015
ISO 28000: 2007
ISO 45001: 2018
GB/T 27922-2011

SMTA
IPC
ESD
PSMA