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Home Products Crystals, Oscillators, Resonators Oscillators~~SIT3373AC-2B2-33NC614.000000~~

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SIT3373AC-2B2-33NC614.000000 - SiTime

Name: SiTime SIT3373AC-2B2-33NC614.000000
Brand: SiTime
SKU: SIT3373AC-2B2-33NC614.000000
Price: 8.961 USD
Availability: InStock
Rating: 5 (1 reviews)

Manufacturer Part Number: SIT3373AC-2B2-33NC614.000000

Manufacturer: SiTime

Allelco Part Number: 98D-SIT3373AC-2B2-33NC614.000000

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 48,816 pcs available, New & Original

Parts Description: MEMS OSC VCXO 614.0000MHZ LVDS

Package: 6-SMD, No Lead

Data sheet: SIT3373AC-2B2-3.pdf

HTML Datasheet
SiT3373 Datasheet.pdf

Other Related Documents
Manufacturing Notes for SiTime Products.pdf

PCN Design/Specification
Mult Dev Material Chgs 26/Aug/2021.pdf

RoHs Status: ROHS3 Compliant

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In stock: 48816

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Quantity	Unit Price	Ext. Price
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Specifications

SIT3373AC-2B2-33NC614.000000 Tech Specifications
SiTime - SIT3373AC-2B2-33NC614.000000 technical specifications, attributes, parameters and parts with similar specifications to SiTime - SIT3373AC-2B2-33NC614.000000

Product Attribute	Attribute Value
Manufacturer	SiTime
Voltage - Supply	3.3V
Type	VCXO
Spread Spectrum Bandwidth	-
Size / Dimension	0.126" L x 0.098" W (3.20mm x 2.50mm)
Series	SiT3373, Elite Platform™
Package / Case	6-SMD, No Lead
Package	Strip
Output	LVDS

Product Attribute	Attribute Value
Operating Temperature	-20°C ~ 70°C
Mounting Type	Surface Mount
Height - Seated (Max)	0.035" (0.90mm)
Function	-
Frequency Stability	±25ppm
Frequency	614 MHz
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 SIT3373AC-2B2-33NC614.000000 MEMS VCXO maintain frequency stability under temperature variations across its operating range of -20°C to 70°C?: The SIT3373AC-2B2-33NC614.000000 leverages SiTime’s MEMS-based Elite Platform™ resonator technology, which inherently exhibits lower sensitivity to thermal transients and aging compared to traditional quartz. With a specified frequency stability of ±25 ppm over the full -20°C to 70°C range, this device compensates for temperature-induced drift through integrated analog compensation circuitry. This results in predictable phase noise performance and minimal frequency shift during thermal cycling—critical for high-speed serial links operating at 614 MHz where timing margins are tight.

What are the key advantages of using the SIT3373AC-2B2-33NC614.000000 over a quartz-based VCXO in a compact, thermally dynamic environment?: Unlike quartz VCXOs, the SIT3373AC-2B2-33NC614.000000 eliminates the need for bulky crystal packages and is immune to microphonics and solder joint fatigue. Its 3.20 mm × 2.50 mm footprint and 0.90 mm maximum height enable dense PCB layouts, while the MEMS resonator’s superior shock and vibration tolerance ensures reliable operation in mobile or industrial systems. Additionally, the absence of activity dips and lower sensitivity to board-level stress reduce design risk in thermally cycling applications.

How does the LVDS output of the SIT3373AC-2B2-33NC614.000000 support signal integrity in high-speed data transmission systems?: The differential LVDS output of the SIT3373AC-2B2-33NC614.000000 provides low-voltage swing (~350 mV differential) with fast edge rates, minimizing electromagnetic interference and crosstalk. At 614 MHz, this translates to clean eye diagrams in serializer/deserializer (SerDes) applications, reducing bit error rates. The output is designed to drive standard 100 Ω differential loads with minimal reflection, making it suitable for direct interface with FPGAs or ASICs without additional buffering in most cases.

Can the SIT3373AC-2B2-33NC614.000000 be used in systems requiring spread spectrum clocking, and what limitations should be considered?: The SIT3373AC-2B2-33NC614.000000 does not support spread spectrum modulation, as indicated by the absence of a specified spread spectrum bandwidth parameter. This makes it unsuitable for EMI reduction through frequency dithering in applications like displays or memory interfaces that mandate spread spectrum clocking. Designers seeking such functionality must consider alternative SiTime models with integrated modulation capability or implement external modulation techniques, though the latter may compromise phase noise performance at 614 MHz.

What is the significance of the ±25 ppm frequency stability specification for the SIT3373AC-2B2-33NC614.000000 in real-world synchronization applications?: A ±25 ppm stability at 614 MHz corresponds to a maximum frequency deviation of approximately ±15.35 kHz. In synchronous systems such as CPRI, OTN, or IEEE 1588 timing networks, this level of stability ensures that accumulated jitter remains within acceptable bounds over temperature and time. When paired with a suitable loop bandwidth in the PLL, the SIT3373AC-2B2-33NC614.000000 can maintain synchronization without frequent re-locking, reducing latency and improving system robustness.

How does the supply voltage of 3.3V impact power consumption and compatibility in modern low-voltage systems when using the SIT3373AC-2B2-33NC614.000000?: Operating at 3.3V, the SIT3373AC-2B2-33NC614.000000 draws significantly less current than legacy 5V oscillators, typically under 30 mA including LVDS output drive. This aligns well with modern 3.3V logic families and reduces overall system power budget. However, in designs migrating to 1.8V or 2.5V rails, level-shifting or regulator support may be required. The device’s rail-to-rail output swing ensures compatibility with standard LVDS receivers without additional biasing.

What design considerations are necessary for PCB layout when integrating the SIT3373AC-2B2-33NC614.000000 in a high-density, multi-layer board?: The SIT3373AC-2B2-33NC614.000000’s 6-SMD, no-lead package demands careful attention to pad geometry and solder mask definition to prevent tombstoning. Differential output traces should be length-matched and routed with controlled impedance (100 Ω differential), avoiding vias if possible. Ground planes beneath the device improve thermal dissipation and reduce noise coupling. Given its MSL 1 rating, no bake-out is required pre-assembly, simplifying handling in high-volume production.

How does the absence of an Absolute Pull Range (APR) specification affect tuning flexibility in the SIT3373AC-2B2-33NC614.000000?: The lack of a published APR for the SIT3373AC-2B2-33NC614.000000 indicates that voltage-controlled tuning is either not supported or not characterized for this specific model. This limits its use in applications requiring dynamic frequency adjustment, such as phase-locked loops with analog control or adaptive clock recovery. For systems needing fine frequency trimming, alternative SiTime VCXOs with defined APR (e.g., ±50 ppm to ±200 ppm) should be evaluated instead.

In what types of systems is the SIT3373AC-2B2-33NC614.000000 most appropriately deployed, given its 614 MHz frequency and LVDS output?: The SIT3373AC-2B2-33NC614.000000 is well-suited for high-speed communication infrastructure, including 5G fronthaul, optical transport networks (OTN), and high-resolution video processing systems where 614.4 MHz is a standard reference clock. Its low jitter and stable output make it ideal for driving SerDes blocks in FPGAs or ASICs, particularly in applications requiring precise synchronization across distributed nodes without external jitter cleaning.

How does the MEMS-based construction of the SIT3373AC-2B2-33NC614.000000 influence long-term reliability compared to quartz alternatives?: The monolithic MEMS resonator in the SIT3373AC-2B2-33NC614.000000 eliminates the hermetic sealing requirements and electrode degradation mechanisms inherent in quartz devices. This results in superior aging characteristics—typically <±5 ppm over 10 years—and resistance to environmental contaminants. Combined with RoHS3 compliance and MSL 1 rating, the device offers high reliability in non-hermetic plastic packages, reducing system-level failure risks in field-deployed equipment.

Parts with Similar Specifications

The three parts on the right have similar specifications to SiTime SIT3373AC-2B2-33NC614.000000

Product Attribute
Part Number	SIT3373AC-2B2-33NC614.400000	SIT3373AC-2B2-33NC540.000000	SIT3373AC-2B2-33NC432.000000	SIT3373AC-2B2-33NC622.000000
Manufacturer	SiTime	SiTime	SiTime	SiTime
Base Resonator	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Frequency	-	-	-	-
Type	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Height - Seated (Max)	-	-	-	-
Voltage - Supply	-	-	-	-
Absolute Pull Range (APR)	-	-	-	-
Function	-	-	-	-
Series	-	-	-	-
Output	-	-	-	-
Size / Dimension	-	-	-	-
Spread Spectrum Bandwidth	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Frequency Stability	-	-	-	-

SIT3373AC-2B2-33NC614.000000 Datasheet PDF

Download SIT3373AC-2B2-33NC614.000000 pdf datasheets and SiTime documentation for SIT3373AC-2B2-33NC614.000000 - SiTime.

HTML Datasheet: SiT3373 Datasheet.pdf
Other Related Documents: Manufacturing Notes for SiTime Products.pdf
PCN Design/Specification: Mult Dev Material Chgs 26/Aug/2021.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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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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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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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

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