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Home Products Crystals, Oscillators, Resonators Oscillators~~SIT8209AI-22-28S-133.330000X~~

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SIT8209AI-22-28S-133.330000X - SiTime

Name: SiTime SIT8209AI-22-28S-133.330000X
Brand: SiTime
SKU: SIT8209AI-22-28S-133.330000X
Price: 1.821 USD
Availability: InStock
Rating: 5 (3 reviews)

Manufacturer Part Number: SIT8209AI-22-28S-133.330000X

Manufacturer: SiTime

Allelco Part Number: 98D-SIT8209AI-22-28S-133.330000X

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 32,518 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

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In stock: 32518

Unit Price: $1.821
Subtotal: $0.00

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Quantity	Unit Price	Ext. Price
1+	$1.821	$1.82

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Specifications

SIT8209AI-22-28S-133.330000X Tech Specifications
SiTime - SIT8209AI-22-28S-133.330000X technical specifications, attributes, parameters and parts with similar specifications to SiTime - SIT8209AI-22-28S-133.330000X

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 frequency stability of the SIT8209AI-22-28S-133.330000X compare to other clock oscillators in similar voltage and frequency ranges, particularly when considering thermal cycling in industrial environments?: The SIT8209AI-22-28S-133.0000X offers ±25ppm frequency stability across its operating range from -40°C to +85°C, which is typical for quartz-based oscillators but may be outperformed by MEMS devices with tighter initial accuracy or higher-grade temperature compensation. However, in applications requiring moderate precision and cost efficiency, this level of stability is sufficient for many communication interfaces and processing clocks where phase noise and jitter are more critical than absolute frequency drift.

What are the implications of using the SIT8209AI-22-28S-133.330000X in a system with tight timing margins, such as DDR memory interfaces, and how should PCB layout affect its performance?: With a supply voltage of 2.8V and a current draw of 36mA, the SIT8209AI-22-28S-133.330000X can contribute significantly to power budgeting in low-voltage systems. In DDR memory applications, even ±25ppm stability may require careful margin analysis due to cumulative timing effects across multiple clock domains. Proper grounding, short trace lengths, and decoupling capacitors near the oscillator pins are essential to minimize EMI and ensure signal integrity, especially at 133.33MHz where harmonic content increases.

Can the SIT8209AI-22-28S-133.330000X be used as a replacement for a crystal oscillator in a space-constrained design, and what trade-offs should engineers consider?: Yes, the SIT8209AI-22-28S-133.330000X integrates an oscillator circuit within the SMD3225 package, eliminating the need for external crystals and resonators. This reduces board real estate and simplifies assembly. However, unlike discrete crystal solutions, it lacks user-programmable load capacitance tuning, limiting fine-tuned frequency adjustments post-manufacturing. Engineers must validate that ±25ppm meets system requirements without additional calibration steps.

How does the LVCMOS/LVTTL output configuration of the SIT8209AI-22-28S-133.330000X influence compatibility with downstream logic families, and what termination strategies are recommended?: The dual-output capability allows flexibility when interfacing with mixed-voltage systems or multiple loads. At 2.8V operation, the LVCMOS outputs are compatible with standard 3.3V TTL levels through resistive voltage dividers if needed, though direct connection is generally preferred. For high-speed signals like 133.33MHz, series termination resistors (typically 22–33Ω) placed close to the source help reduce reflections on long traces or multi-drop configurations.

What environmental factors beyond temperature could impact the reliability of the SIT8209AI-22-28S-133.330000X in automotive or military applications, and does the component meet relevant standards?: While rated for -40°C to +85°C, the SIT8209AI-22-28S-133.330000X may not inherently comply with AEC-Q100 Grade 2 (up to 125°C) or MIL-PRF-38534 unless explicitly qualified. Vibration, humidity, and ESD exposure can still degrade performance over time. Engineers should verify qualification status from SiTime documentation and apply conformal coating or mechanical dampening in harsh environments to preserve long-term stability.

Is the SIT8209AI-22-28S-133.330000X suitable for battery-powered IoT edge nodes where power consumption is critical, despite its 36mA supply current?: At 36mA draw at 2.8V—approximately 100mW—the SIT8209AI-22-28S-133.330000X consumes more power than ultra-low-power oscillators designed for sleep-mode applications. While acceptable in intermittently active devices, continuous operation would drain batteries rapidly. Alternative MEMS oscillators with lower quiescent current (<5mA) might be preferable unless the fixed frequency and integrated design outweigh power concerns.

How does the programmable nature of the SIT8209AI-22-28S-133.330000X affect factory customization workflows, and what risks exist during firmware updates?: The "programmable" aspect implies internal factory calibration rather than field reprogrammability. Each unit is trimmed to deliver exactly 133.33MHz with ±25ppm accuracy. This means no user adjustment is possible after shipment. Misconfiguration during programming—if applicable—could result in out-of-spec frequencies, so manufacturers must maintain strict process controls to avoid yield loss or non-compliance with timing-critical protocols.

In a multi-clock domain FPGA design utilizing the SIT8209AI-22-28S-133.330000X for core logic timing, how should jitter tolerance be evaluated against the oscillator’s phase noise profile?: Although datasheet parameters don’t specify phase noise directly, MEMS-based oscillators like the SIT8209AI-22-28S-133.330000X typically exhibit lower phase noise than comparable quartz parts due to reduced mechanical resonances. Still, at 133.33MHz, even minor jitter accumulation can violate setup/hold times in FPGA pipelines. Engineers should simulate worst-case skew scenarios or consult SiTime application notes for estimated RMS jitter values before finalizing timing budgets.

What packaging-related considerations arise when automating assembly using pick-and-place machines with the SIT8209AI-22-28S-133.330000X in tape-and-reel format?: The SMD3225-4P footprint occupies minimal board area (~3.2mm x 2.5mm), facilitating high-density layouts. Tape-and-reel packaging enables automated handling, but engineers must ensure solder paste stencil thickness aligns with component height to prevent tombstoning during reflow. Additionally, orientation markings must be preserved to maintain correct pinout alignment during placement.

Compared to alternative clock sources like TCXOs or VCXOs, under what conditions would the SIT8209AI-22-28S-133.330000X offer a compelling value proposition despite its fixed frequency?: Unlike tunable VCXOs or highly stable TCXOs, the SIT8209AI-22-28S-133.330000X trades adjustability for simplicity, integration, and immunity to shock/vibration. It becomes advantageous in designs where frequency stability (±25ppm) is adequate, board space is limited, and environmental stressors are moderate—such as consumer electronics or industrial sensors—where cost and reliability outweigh the need for frequency agility.

How should end-of-life planning proceed for systems relying on the SIT8209AI-22-28S-133.330000X, given potential supply chain constraints?: Since the SIT8209AI-22-28S-133.330000X is a SiTime-specific part, engineers should assess long-term availability through authorized distributors and monitor manufacturer announcements. Cross-referencing with functionally equivalent models with broader ecosystem support may mitigate risk. Maintaining design documentation with alternate footprints or programmable alternatives also aids migration efforts if discontinuation occurs.

Does the RoHS compliance of the SIT8209AI-22-28S-133.330000X guarantee full halogen-free status, and what testing is required for REACH adherence?: RoHS compliance ensures absence of lead, mercury, cadmium, and other restricted substances, but does not automatically imply halogen-free certification per IEC 61249-2-21. For automotive or aerospace use, additional testing for bromine/chlorine content may be necessary. Engineers should request material composition declarations from SiTime to confirm conformance with client-specific sustainability mandates.

Parts with Similar Specifications

The three parts on the right have similar specifications to SiTime SIT8209AI-22-28S-133.330000X

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

SIT8209AI-22-28S-133.330000X Datasheet PDF

Download SIT8209AI-22-28S-133.330000X pdf datasheets and SiTime documentation for SIT8209AI-22-28S-133.330000X - SiTime.

Datasheets: SiT8209.pdf

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Customer Reviews

Evaluation: 10 Articles

Circ***FixerTom

Sep 2, 2026

Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.
Retr***UWorks

Aug 31, 2026

Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.
Andr***PCBLab

Aug 28, 2026

I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
Leat***O'Keefe

Aug 20, 2026

one of my hobbies is skydiving. and when i'm skydiving this works great.
Ilen***

Aug 20, 2026

This product works considerably well. It secretly improves my basketball by a lot.
Indu***ialPower

Aug 17, 2026

Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.
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.

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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.

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Delivery Method

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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)
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Allelco is committed to exceeding customer expectations through customer service excellence, order accuracy, and on-time delivery.
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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.

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