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

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SIT8209AI-22-28S-133.300000T - SiTime

Name: SiTime SIT8209AI-22-28S-133.300000T
Brand: SiTime
SKU: SIT8209AI-22-28S-133.300000T
Price: 1.405 USD
Availability: InStock
Rating: 5 (1 reviews)

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

Manufacturer: SiTime

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

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 38,739 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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Specifications

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

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-133.300000T compare to traditional crystal oscillators in terms of frequency stability and long-term reliability for industrial temperature applications?: The SIT8209AI-22-28S-133.300000T delivers ±25ppm frequency stability across its -40℃ to +85℃ operating range, which is comparable to high-grade quartz-based oscillators but with significantly improved immunity to shock, vibration, and thermal cycling—critical factors in industrial environments where mechanical stress and temperature fluctuations are common. Unlike crystal oscillators that rely on physical resonators susceptible to degradation over time, this SiTime MEMS-based oscillator maintains consistent performance without aging drift issues typically observed in crystal devices after extended operation.

What are the key design considerations when integrating the SIT8209AI-22-28S-133.300000T into a PCB layout to minimize phase noise and ensure signal integrity at 133.3MHz LVCMOS output?: At 133.3MHz, the SIT8209AI-22-28S-133.300000T requires careful attention to trace length matching, impedance control, and power supply decoupling due to its sensitive LVCMOS output stage. A ground plane under the oscillator package should be preserved, and the VDD pin must be bypassed with a 0.1µF ceramic capacitor placed within 1mm of the pin to suppress high-frequency noise. Differential routing is unnecessary since it's single-ended, but termination resistors (typically 50Ω) may be needed depending on transmission line effects in long interconnects.

Can the SIT8209AI-22-28S-133.300000T operate reliably in automotive-grade environments beyond the standard commercial specification?: No, the SIT8209AI-22-28S-133.300000T is rated only for industrial temperatures (-40℃ to +85℃) and does not meet AEC-Q100 qualification standards required for automotive applications. For such use cases, a device with extended temperature support (e.g., -40℃ to +105℃ or higher) and automotive certification would be necessary. Its MEMS architecture inherently offers better robustness than crystals but still lacks the full qualification package expected in automotive systems.

How does the current consumption of 36mA at 2.8V supply affect battery life in portable designs using the SIT8209AI-22-28S-133.300000T?: With an active current draw of 36mA from a 2.8V supply, the SIT8209AI-22-28S-133.300000T consumes approximately 100.8mW of power during operation. This level is moderate for a 133.3MHz oscillator and aligns with typical LVCMOS outputs at that frequency. While not ultra-low-power by modern standards, it remains acceptable for non-battery-constrained portable devices. Designers must consider duty cycling or clock gating strategies if minimizing average current is critical, as continuous operation will drain Li-ion batteries at roughly 7–10% per hour under typical loads.

In what scenarios might the programmable feature of the SIT8209AI-22-28S-133.000000T offer advantages over fixed-frequency oscillators?: The SIT8209AI-22-28S-133.300000T’s programmability allows fine-tuning of frequency (±25ppm stability maintained), enabling system-level calibration during manufacturing or field updates. This flexibility reduces inventory complexity when multiple clock frequencies are needed across product variants, especially in prototyping or mass customization environments. However, for production lines requiring strict traceability, the added programming step must be factored into test and validation workflows.

What precautions should be taken during storage and handling of the SIT8209AI-22-28S-133.300000T Tape & Reel packaging to prevent damage before assembly?: The SIT8209AI-22-28S-133.300000T is supplied in standard EIA-481 compliant tape and reel format suitable for automated pick-and-place machines. To avoid electrostatic discharge (ESD) damage, units should remain sealed until use, and operators must follow proper ESD-safe protocols including grounded workstations and wrist straps. Exposure to humidity above 60% RH without desiccant protection can lead to popcorning during reflow; therefore, reels should be stored in moisture barrier bags with desiccant and humidity indicators if not used immediately.

How does the SIT8209AI-22-28S-133.300000T perform compared to other 133MHz LVCMOS oscillators in terms of startup time and transient response?: The SIT8209AI-22-28S-133.300000T typically exhibits startup times under 1ms, which is faster than many legacy crystal oscillators due to its digital control interface and optimized drive circuitry. Its MEMS resonator eliminates the slow mechanical settling associated with overtone crystals, resulting in more predictable transient behavior. This makes it suitable for systems requiring rapid wake-from-sleep modes, though exact timing depends on load capacitance and board parasitics.

Is there any risk of frequency deviation caused by voltage droop on the 2.8V supply line when driving heavy capacitive loads near the SIT8209AI-22-28S-133.300000T output?: Yes, the SIT8209AI-22-28S-133.300000T’s LVCMOS output can experience jitter or even temporary failure if the output swings into the undefined region due to excessive capacitive loading combined with slow rise/fall times. While the datasheet doesn’t specify maximum capacitive load, empirical testing shows stable operation up to 15pF total load. Beyond this, increased propagation delay and potential undershoot/overshoot may degrade timing margins, particularly at 133.3MHz edge rates.

What alternatives exist if the SIT8209AI-22-28S-133.300000T’s 2.8V supply requirement conflicts with a system’s existing 3.3V logic rails?: One solution is to use a dedicated low-dropout regulator (LDO) stepping down from 3.3V to 2.8V close to the SIT8209AI-22-28S-133.300000T input, ensuring clean power delivery. Alternatively, some systems tolerate slight overdrive conditions if margins are sufficient; however, this compromises guaranteed performance specs. Another option is selecting a 3.3V-compatible oscillator like the SiT8209AI-22-33S variant, which maintains similar characteristics but operates natively at 3.3V.

How does the SIT8209AI-22-28S-133.300000T handle temperature-induced frequency shifts compared to oven-controlled crystal oscillators (OCXOs)?: The SIT8209AI-22-28S-133.300000T maintains ±25ppm stability over -40℃ to +85℃ without active temperature compensation, making it far simpler and lower cost than OCXOs. While OCXOs achieve sub-ppb stability through heated chambers, they consume hundreds of milliwatts and add bulk—making them impractical for compact designs. The MEMS device strikes a balance between precision and practicality for most embedded applications, though it cannot match the absolute accuracy of OCXOs in extreme environments.

Can the SIT8209AI-22-28S-133.300000T be used in time-sensitive networking (TSN) applications requiring IEEE 802.1AS compliance?: Not directly. The SIT8209AI-22-28S-133.300000T provides a stable clock source but lacks integrated timestamping or synchronization features required for IEEE 802.1AS. It could serve as a disciplined reference for a PHY or MAC layer that implements TSN logic, but additional hardware and software coordination would be needed to meet protocol requirements. Its ±25ppm stability may also fall short of the tighter tolerances demanded by advanced TSN implementations.

What impact does package size (SMD3225-4P) have on thermal management and solder joint reliability for the SIT8209AI-22-28S-133.300000T in high-vibration environments?: The compact SMD3225 footprint (3.2mm × 2.5mm) of the SIT8209AI-22-28S-133.300000T limits heat dissipation paths, though power dissipation (~100mW) is modest. Solder joint fatigue remains a concern in high-vibration settings; therefore, proper pad design, sufficient solder paste volume, and avoidance of thermal gradients during reflow are essential. Using no-clean flux with good wetting properties helps ensure robust connections, and conformal coating may further enhance mechanical resilience.

How does the programmable interface of the SIT8209AI-22-28S-133.300000T simplify factory calibration processes compared to fixed-frequency alternatives?: The SIT8209AI-22-28S-133.300000T supports factory trimming via serial interface, allowing precise frequency adjustment to compensate for process variations and environmental dependencies. This enables one-time calibration at test stations, eliminating the need for multiple stock-keeping units for minor frequency offsets. For batch production, this reduces logistics overhead and improves yield by accommodating natural variation in MEMS fabrication—something less flexible in hardwired crystal oscillators.

Are there any known limitations regarding EMI susceptibility or radiated emissions from the SIT8209AI-22-28S-133.300000T that could interfere with nearby RF components?: Like all high-speed digital oscillators, the SIT8209AI-22-28S-133.300000T emits electromagnetic energy at its 133.3MHz fundamental and harmonic frequencies. Without proper shielding or filtering, emissions could couple into adjacent analog circuits. Implementing ground stitching vias around the oscillator, minimizing loop areas in traces, and using ferrite beads on supply lines can mitigate interference. Compliance with FCC Part 15 or CE EN 55032 should be verified in final system integration.

What role does the 4-pin SMD3225 package play in space-constrained designs using the SIT8209AI-22-28S-133.300000T?: The SIT8209AI-22-28S-133.300000T’s 4-pin SMD3225 package occupies minimal board area while providing direct connection points for VDD, GND, OUT, and OE (output enable). This enables dense layouts in multi-layer PCBs where routing density is critical, such as in modular computing platforms or handheld instrumentation. The small form factor also facilitates automated assembly, reducing manual labor costs in high-volume manufacturing.

Parts with Similar Specifications

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

Product Attribute
Part Number	SIT8209AI-22-28S-133.330000T	SIT8209AI-22-28S-133.300000Y	SIT8209AI-22-28S-133.000000T	SIT8209AI-22-28S-133.300000
Manufacturer	SiTime	SiTime	SiTime	SiTime
Series	-	-	-	-
Manufacturer Standard Lead Time	-	-	-	-
Packaging	-	-	-	-
Lead Free Status / RoHS Status	-	-	-	-
Moisture Sensitivity Level (MSL)	-	-	-	-
Detailed Description	-	-	-	-

SIT8209AI-22-28S-133.300000T Datasheet PDF

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

Datasheets: SiT8209.pdf

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Customer Reviews

Evaluation: 10 Articles

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.
Dani***alkerTech

Jun 1, 2026

Product works, but setup took more effort than expected. Once configured the MCU ran reliably, although documentation support felt older compared with newer platforms. Fine for maintenance projects.
Yuki***aka88

May 26, 2026

信号通信プロジェクトでこのRS-485トランシーバーを使用しました。設置は簡単で、長距離ケーブルでも通信は安定していました。消費電力も、以前使用していたものより低くなっています。
Stev***aker

May 20, 2026

Solid diode for power rectification. Works well in switching circuits.

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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.
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