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Home Products Crystals, Oscillators, Resonators Oscillators~~SIT8209AI-22-28S-133.333300~~

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SIT8209AI-22-28S-133.333300 - SiTime

Name: SiTime SIT8209AI-22-28S-133.333300
Brand: SiTime
SKU: SIT8209AI-22-28S-133.333300
Price: 1.364 USD
Availability: InStock
Rating: 5 (9 reviews)

Manufacturer Part Number: SIT8209AI-22-28S-133.333300

Manufacturer: SiTime

Allelco Part Number: 98D-SIT8209AI-22-28S-133.333300

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 32,299 pcs available, New & Original

Parts Description: MEMS OSC XO 133.3333MHZ LVCMOS

Package: 4-SMD, No Lead

Data sheet: SIT8209AI-22-28.pdf

Other Related Documents
Manufacturing Notes for SiTime Products.pdf

HTML Datasheet
SiT8209.pdf

RoHs Status: ROHS3 Compliant

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Specifications

SIT8209AI-22-28S-133.333300 Tech Specifications
SiTime - SIT8209AI-22-28S-133.333300 technical specifications, attributes, parameters and parts with similar specifications to SiTime - SIT8209AI-22-28S-133.333300

Product Attribute	Attribute Value
Manufacturer	SiTime
Voltage - Supply	2.8V
Type	XO (Standard)
Spread Spectrum Bandwidth	-
Size / Dimension	0.126" L x 0.098" W (3.20mm x 2.50mm)
Series	SiT8209
Ratings	-
Package / Case	4-SMD, No Lead
Package	Strip
Output	LVCMOS, LVTTL

Product Attribute	Attribute Value
Operating Temperature	-40°C ~ 85°C
Mounting Type	Surface Mount
Height - Seated (Max)	0.031" (0.80mm)
Function	Standby (Power Down)
Frequency Stability	±25ppm
Frequency	133.3333 MHz
Current - Supply (Max)	36mA
Base Resonator	MEMS
Absolute Pull Range (APR)	-

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	1 (Unlimited)
ECCN	EAR99
HTSUS	8542.39.0001

Frequently Asked Questions(FAQ)

How does the SIT8209AI-22-28S-133.333300 MEMS oscillator compare to a traditional quartz-based XO in terms of shock and vibration performance?: The SIT8209AI-22-28S-133.333300 utilizes a MEMS resonator instead of a quartz crystal, which eliminates the mechanical fragility associated with brittle quartz structures. This results in significantly higher resilience to shock and vibration—typically 10x better than equivalent quartz oscillators—making it suitable for industrial, automotive, and high-reliability applications where mechanical stress is a concern.

What are the implications of the ±25ppm frequency stability specification for the SIT8209AI-22-28S-133.333300 in a system with tight timing margins?: The ±25ppm stability over the full operating temperature range (-40°C to 85°C) means the SIT8209AI-22-28S-133.333300 can drift by up to ±3.33 kHz from its nominal 133.3333 MHz output. In systems such as PCIe Gen3 or Ethernet PHY interfaces, this level of stability is generally acceptable, but designers should verify that cumulative timing budget allocations—including clock jitter, receiver tolerance, and data path skew—do not exceed protocol limits.

Can the SIT8209AI-22-28S-133.333300 be used in battery-powered applications given its 36mA maximum supply current?: While the SIT8209AI-22-28S-133.333300 draws up to 36mA at 2.8V, its standby (power-down) function allows the device to reduce current consumption to near-zero when disabled. For intermittent operation or duty-cycled systems, this feature enables effective power management. However, for always-on low-power designs, alternative SiTime parts with lower active current (e.g., SiT8021) may offer better efficiency.

How does the 2.8V supply voltage requirement of the SIT8209AI-22-28S-133.333300 affect compatibility with standard 3.3V logic families?: The SIT8209AI-22-28S-133.333300 operates at 2.8V but delivers LVCMOS/LVTTL-compatible outputs that meet VIH/VIL thresholds for 3.3V systems. Its output high voltage (VOH) typically exceeds 2.4V under full load, ensuring reliable logic-high recognition by 3.3V inputs. No level shifting is required in most cases, though signal integrity should be verified in long-trace or high-capacitance PCB layouts.

What design considerations are necessary when placing the SIT8209AI-22-28S-133.333300 on a high-speed PCB?: Due to its 133.3333 MHz output and fast edge rates, the SIT8209AI-22-28S-133.333300 should be placed close to the driven IC to minimize trace inductance and reduce EMI. A solid ground plane beneath the device, controlled impedance routing, and avoidance of vias in the clock path are recommended. Additionally, decoupling capacitors (e.g., 0.1µF) should be placed within 2mm of the VDD pin to suppress high-frequency noise.

How does the MEMS-based architecture of the SIT8209AI-22-28S-133.333300 impact long-term aging compared to quartz oscillators?: MEMS resonators in the SIT8209AI-22-28S-133.333300 exhibit significantly lower aging rates—typically <±1ppm over the first year—compared to quartz, which can age by ±3–5ppm annually. This stability reduces the need for periodic recalibration in precision timing applications such as network synchronization or test equipment, contributing to lower lifecycle maintenance costs.

Is the SIT8209AI-22-28S-133.333300 suitable for use in automotive environments despite not being AEC-Q100 qualified?: While the SIT8209AI-22-28S-133.333300 operates reliably from -40°C to 85°C and is RoHS3 compliant, it lacks formal AEC-Q100 qualification. It may be acceptable in non-safety-critical automotive subsystems (e.g., infotainment), but for powertrain, ADAS, or functional safety applications, a certified automotive-grade oscillator (e.g., SiT8209AC series) should be selected.

What advantages does the 4-SMD, no-lead package of the SIT8209AI-22-28S-133.333300 offer in high-density PCB designs?: The 3.20mm x 2.50mm 4-SMD package with a 0.80mm maximum seated height enables compact placement in space-constrained designs such as small-form-factor modules or stacked PCBs. Its no-lead construction improves solder joint reliability under thermal cycling and reduces parasitic inductance, which benefits high-frequency signal integrity.

How does the standby (power-down) function of the SIT8209AI-22-28S-133.333300 behave during power-up and power-down transients?: When the standby pin is asserted, the SIT8209AI-22-28S-133.333300 disables its output within nanoseconds, presenting a high-impedance state. During power-up, the device requires approximately 1ms to achieve stable oscillation after VDD reaches the valid threshold. Designers should ensure the enable signal is not released prematurely to avoid metastable or glitched clock outputs.

Can the SIT8209AI-22-28S-133.333300 replace a quartz oscillator in an existing design without firmware or layout changes?: In most cases, yes—the SIT8209AI-22-28S-133.333300 is pin- and function-compatible with standard 4-pin quartz XOs and offers superior robustness. However, because MEMS oscillators have lower output drive strength and different rise/fall time characteristics, verification of signal integrity at the receiver end is recommended, especially in designs with long traces or high capacitive loading.

How does temperature variation affect the phase noise performance of the SIT8209AI-22-28S-133.333300?: The SIT8209AI-22-28S-133.333300 maintains consistent phase noise profiles across its full temperature range due to integrated temperature compensation in the MEMS control loop. At 133.3333 MHz, typical phase noise is -140 dBc/Hz at 10 kHz offset, with minimal degradation at temperature extremes, making it suitable for jitter-sensitive applications like SerDes or RF synthesis.

What is the significance of the MSL 1 rating for the SIT8209AI-22-28S-133.333300 in manufacturing and storage?: With Moisture Sensitivity Level 1 (unlimited floor life), the SIT8209AI-22-28S-133.333300 can be stored and handled under normal ambient conditions without requiring dry packing or bake-out procedures. This simplifies logistics and reduces production delays in high-mix assembly environments.

How does the SIT8209AI-22-28S-133.333300 compare to other SiTime XO series in terms of frequency accuracy and power trade-offs?: Compared to the SiT8008 (lower power, ±50ppm stability) or SiT9121 (ultra-low jitter, ±10ppm), the SIT8209AI-22-28S-133.333300 strikes a balance with ±25ppm stability and moderate power draw. It is well-suited for applications requiring better accuracy than general-purpose XOs but without the cost or power overhead of premium-performance models.

Are there known compatibility issues when using the SIT8209AI-22-28S-133.333300 with FPGA or ASIC clock inputs?: The SIT8209AI-22-28S-133.333300’s LVCMOS output is compatible with most FPGA and ASIC clock inputs, including those on Xilinx, Intel, and Lattice devices. However, some high-speed transceivers require specific rise/fall time matching; in such cases, adding a small series resistor (22–33Ω) near the oscillator output can dampen reflections and improve signal quality.

What failure modes should be considered when deploying the SIT8209AI-22-28S-133.333300 in harsh industrial environments?: While the SIT8209AI-22-28S-133.333300 is resilient to vibration and thermal cycling, exposure to conductive contaminants, high humidity with bias (leading to electrochemical migration), or sustained temperatures near 85°C can degrade long-term reliability. Conformal coating and proper PCB cleaning are recommended in such environments.

Parts with Similar Specifications

The three parts on the right have similar specifications to SiTime SIT8209AI-22-28S-133.333300

Product Attribute
Part Number	SIT8209AI-22-28S-133.333300X	SIT8209AI-22-28S-133.333300T	SIT8209AI-22-28S-133.333300Y	SIT8209AI-22-28S-133.333000X
Manufacturer	SiTime	SiTime	SiTime	SiTime
Absolute Pull Range (APR)	-	-	-	-
Current - Supply (Max)	-	-	-	-
Voltage - Supply	-	-	-	-
Frequency Stability	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Series	-	-	-	-
Function	-	-	-	-
Ratings	-	-	-	-
Type	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Frequency	-	-	-	-
Spread Spectrum Bandwidth	-	-	-	-
Size / Dimension	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Output	-	-	-	-
Base Resonator	-	-	-	-
Height - Seated (Max)	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad

SIT8209AI-22-28S-133.333300 Datasheet PDF

Download SIT8209AI-22-28S-133.333300 pdf datasheets and SiTime documentation for SIT8209AI-22-28S-133.333300 - SiTime.

Other Related Documents: Manufacturing Notes for SiTime Products.pdf
HTML Datasheet: SiT8209.pdf

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Customer Reviews

Evaluation: 10 Articles

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.
Bran***Lewis

May 11, 2026

Compact FPGA with good performance. Suitable for basic signal processing tasks.

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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

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