About us Contact Us Submit BOM
RFQs(0)
English
Close Menu
View All

Please refer to the English Version as our Official Version.Return

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)
HomeProductsCrystals, Oscillators, ResonatorsOscillators654V5403C2T
Image may be representation.
See specifications for product details.
Share
 Favorite
EXPRESS OPTION
Payment method

654V5403C2T - CTS-Frequency Controls

Manufacturer Part Number
654V5403C2T
Manufacturer
CTS Corporation
Allelco Part Number
98D-654V5403C2T
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
33,622 pcs available, New & Original
Parts Description
XTAL OSC XO 54.0000MHZ LVDS SMD
Package
6-SMD, No Lead
Data sheet
654V5403C2T.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 33622
  • Unit Price: $2.73
  • 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+ $2.73 $2.73
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

654V5403C2T Tech Specifications
CTS-Frequency Controls - 654V5403C2T technical specifications, attributes, parameters and parts with similar specifications to CTS-Frequency Controls - 654V5403C2T

Product Attribute Attribute Value
Manufacturer CTS Corporation
Voltage - Supply 2.5V
Type XO (Standard)
Spread Spectrum Bandwidth -
Size / Dimension 0.197" L x 0.126" W (5.00mm x 3.20mm)
Series 654P/L
Ratings -
Package / Case 6-SMD, No Lead
Package Tape & Reel (TR)
Output LVDS
Product Attribute Attribute Value
Operating Temperature -20°C ~ 70°C
Mounting Type Surface Mount
Height - Seated (Max) 0.051" (1.30mm)
Function Enable/Disable
Frequency Stability ±50ppm
Frequency 54 MHz
Current - Supply (Max) 65mA
Current - Supply (Disable) (Max) 22mA
Base Resonator Crystal
Absolute Pull Range (APR) -

Environmental & Export Classifications

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

Frequently Asked Questions(FAQ)

How does the 654V5403C2T LVDS oscillator perform in terms of frequency stability under varying temperature conditions, and what impact might this have on system timing accuracy?
The 654V5403C2T maintains a frequency stability of ±50ppm across its operating range from -20°C to 70°C. This level of stability translates to approximately ±2.7 microseconds of timing drift over a full hour at a 54 MHz clock rate. For high-speed communication systems or synchronous data processing applications, such drift could accumulate and affect synchronization integrity if not properly compensated. Designers should consider this tolerance when implementing clock recovery circuits or timing-sensitive protocols.
What are the key electrical differences between enabling and disabling modes for the 654V5403C2T, and how do these impact power management strategies in battery-powered designs?
When enabled, the 654V5403C2T draws up to 65mA of supply current, while in disable mode it reduces consumption to no more than 22mA. Although the absolute difference is modest in this case, the enable/disable functionality allows dynamic control over oscillator activity. In low-power applications, this feature supports duty-cycled operation where the oscillator can be deactivated during idle periods, reducing average current draw and extending battery life.
Can the 654V5403C2T be used as a drop-in replacement for other 54 MHz oscillators in existing PCB layouts, considering its package and signal interface?
The 654V5403C2T features a compact 6-SMD, no-lead package measuring 5.00mm x 3.20mm, which may require mechanical verification against footprint constraints. While the physical dimensions are standardized, the LVDS output must be matched with appropriate termination and receiver input impedance (typically 100Ω differential). Designers should confirm that downstream circuitry accepts LVDS signaling levels and that layout parasitics do not degrade signal integrity at 54 MHz.
How does the supply voltage requirement of 2.5V influence compatibility with common digital logic families, and what precautions should be taken during board-level integration?
The 2.5V supply voltage aligns well with many modern low-voltage CMOS devices but may present level-shifting challenges when interfacing with 3.3V or 1.8V systems. Since LVDS is inherently differential, the output swings are typically centered around the supply rail, meaning the common-mode voltage will be near 1.25V. This requires receivers designed for mid-supply common-mode operation or proper biasing to avoid saturation in adjacent stages.
What considerations apply when selecting bypass capacitors for the 654V5403C2T to ensure stable operation and minimize noise coupling?
To maintain reliable performance, place a 0.1 µF ceramic capacitor as close as possible to the VDD pin, ideally within 3 mm. Use X7R or better dielectric material to minimize capacitance variation with temperature and DC bias. Additionally, consider adding a bulk decoupling capacitor (e.g., 1–4.7 µF) near the oscillator if multiple components share the same power plane. Proper grounding via thermal pad connection is essential to reduce electromagnetic emissions and stabilize the reference plane.
Is the 654V5403C2T suitable for use in environments with high humidity, given its Moisture Sensitivity Level (MSL) rating?
Yes, the 654V5403C2T has an MSL rating of 1, indicating unlimited shelf life and no special storage requirements before assembly. This means it can withstand typical manufacturing environments without requiring dry packaging or baking prior to soldering, simplifying logistics and reducing handling complexity for production teams.
How does the enable/disable function of the 654V5403C2T affect phase noise and jitter compared to continuous oscillation?
Disabling the oscillator results in complete cessation of output signal generation, which eliminates any active noise contributions from the device. However, upon re-enabling, there may be a transient startup period where phase noise temporarily degrades before stabilizing. In contrast, continuous operation provides consistent jitter characteristics. For applications sensitive to long-term jitter accumulation, uninterrupted operation may offer more predictable behavior despite slightly higher static power consumption.
What are the implications of the 654V5403C2T’s RoHS3 compliance and REACH status for global regulatory approval and supply chain risk mitigation?
RoHS3 compliance ensures adherence to EU directives restricting hazardous substances like lead, mercury, and cadmium, facilitating market access across Europe and many other regions. Combined with REACH Unaffected status, this indicates the component contains no intentionally added restricted materials above threshold limits. These certifications reduce legal and logistical risks associated with customs clearance, environmental reporting, and sustainability audits in regulated industries such as automotive or medical electronics.
How does the 654V5403C2T compare to similar 54 MHz oscillators using CMOS output instead of LVDS, particularly in terms of power and noise performance?
LVDS outputs typically consume less power than comparable CMOS buffers at high frequencies due to their current-mode operation and lower swing voltages. The 654V5403C2T’s 65 mA max supply current suggests efficient drive strength for short traces. In contrast, CMOS-based oscillators often draw higher quiescent current and generate stronger conducted emissions due to sharper rise/fall times. LVDS also offers superior noise immunity in noisy environments, making it preferable for backplane or multi-drop serial links.
What design trade-offs arise when choosing between the 654V5403C2T and a fundamental crystal oscillator (XO) without integrated enable logic?
Integrating enable logic into the 654V5403C2T saves board space and simplifies control routing but adds complexity to shutdown sequences and potential leakage paths. A discrete XO paired with a separate buffer IC offers greater flexibility in output type selection and isolation during power-up/down events. However, it consumes more area and increases BOM count. The decision hinges on whether dynamic power gating justifies the cost savings versus architectural simplicity.
How does the operating temperature range of -20°C to 70°C affect reliability in industrial versus consumer applications, and what failure mechanisms should engineers anticipate?
The extended operating range accommodates industrial environments but falls short of automotive-grade (-40°C to +125°C). Thermal cycling between extremes can induce mechanical stress on solder joints and crystal mounts over time. Engineers should implement adequate creepage/clearance in layout, avoid thermal gradients near the oscillator, and validate solder joint integrity under expected field conditions. No specific derating guidelines exist beyond standard SMT practices, but monitoring for intermittent failures during accelerated life testing is advisable.
Can the 654V5403C2T support spread spectrum clocking (SSC), and if so, what benefits would that provide in EMI reduction scenarios?
The datasheet does not list spread spectrum bandwidth capability, implying the 654V5403C2T lacks native SSC modulation. Therefore, it cannot actively modulate the output frequency to reduce peak emissions at specific harmonics. For EMI-sensitive applications, designers must rely on external filtering, careful trace routing, or alternative components with built-in spreading features. Omitting SSC may simplify design but limit emission optimization options.
What role does the crystal base resonator play in the long-term frequency drift characteristics of the 654V5403C2T, and how might aging affect system calibration?
As a standard XO based on a quartz crystal, the 654V5403C2T experiences gradual frequency shift due to crystal aging—typically a few ppm per year. Over five years, this could compound to several tens of ppm, potentially exceeding the initial ±50ppm stability specification. In precision timing systems, periodic recalibration or redundant timing references may be necessary to maintain accuracy beyond the first year of operation.
How should the height profile (0.051" seated) of the 654V5403C2T influence enclosure design and component placement in compact devices?
With a maximum height of 1.30mm, the 654V5403C2T fits within most slim-profile designs, including handheld electronics and thin notebooks. However, adjacent tall components or connector headers must be spaced appropriately to prevent interference during insertion/removal. Also, airflow and heat dissipation are generally unaffected due to low power dissipation, but clearance should still be verified against mechanical CAD models early in design iterations.
What precautions are recommended when reflow soldering the 654V5403C2T to avoid damage to the crystal element or package integrity?
Adhere strictly to the manufacturer’s recommended thermal profile, typically involving peak temperatures below 260°C and dwell time under 30 seconds in molten solder. Excessive thermal mass or rapid cooling rates can fracture the crystal or delaminate internal layers. Using nitrogen-assisted reflow or minimizing preheat ramp rates helps preserve reliability. Post-assembly inspection for cracks or misalignment is advised for critical applications.
How does the absence of an Absolute Pull Range (APR) specification impact tuning or compensation efforts in custom timing loops?
The missing APR parameter indicates that external trimming or calibration is not supported by the 654V5403C2T. Unlike VCXOs or TCXOs, this device cannot be fine-tuned via varactor diodes or resistors. Consequently, frequency accuracy depends entirely on initial manufacturing tolerance and environmental stability. Designers must account for this inflexibility when margins are tight or when compensating for process variations in mass production.
What documentation and certification artifacts accompany the 654V5403C2T to support qualification in safety-critical or regulated industries?
Full traceability documents include datasheets, certificates of conformance, and test reports confirming RoHS3 and REACH compliance. Additionally, export classifications such as ECCN EAR99 and HTSUS 8542.39.0001 facilitate customs processing. While no ISO certifications are listed, these administrative records help demonstrate due diligence in supply chain verification and regulatory alignment for aerospace, defense, or medical end products.
How does the choice of Tape & Reel (TR) packaging affect automated assembly throughput and inventory management for high-volume production using the 654V5403C2T?
Tape-and-reel packaging enables fully automated pick-and-place operation, improving placement speed and reducing manual handling errors. It also minimizes exposure during storage, preserving moisture sensitivity advantages. Inventory can be managed via standard reel counts (e.g., 1,000 units per reel), streamlining procurement and reducing kitting overhead. However, unused portions must be resealed promptly after opening to maintain MSL integrity.

Parts with Similar Specifications

The three parts on the right have similar specifications to CTS-Frequency Controls 654V5403C2T

Product Attribute 654V5403C3T 654V5404C2T 654V5405C2T 654V5403I2T
Part Number 654V5403C3T 654V5404C2T 654V5405C2T 654V5403I2T
Manufacturer CTS-Frequency Controls CTS-Frequency Controls CTS-Frequency Controls CTS-Frequency Controls
Current - Supply (Max) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Absolute Pull Range (APR) - - - -
Current - Supply (Disable) (Max) - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Function - - - -
Size / Dimension - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Frequency Stability - - - -
Series - - - -
Type - - - -
Spread Spectrum Bandwidth - - - -
Output - - - -
Frequency - - - -
Base Resonator - - - -
Height - Seated (Max) - - - -
Voltage - Supply - - - -
Ratings - - - -

654V5403C2T Datasheet PDF

Download 654V5403C2T pdf datasheets and CTS-Frequency Controls documentation for 654V5403C2T - CTS-Frequency Controls.

Datasheets
654P/L Series Datasheet.pdf
Environmental Information
RoHS Filters, Crystals, Oscillators.pdf CTS Corp REACH.pdf

Customers Also Interested in

Recommended Products

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.

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

  1. Use your express account for shipment if you have one.
  2. 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

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. 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
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
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.
  1. Visual inspection
  2. Performance testing and reliability verification
  3. Standardized full-process testing
  4. Precise control of every parameter
We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
Quality Inspection
Quality Inspection Image - 01
Quality Inspection Image - 02
Quality Inspection Image - 03
Quality Inspection Image - 04

Payment Support

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

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
CTS-Frequency Controls

654V5403C2T

CTS-Frequency Controls
98D-654V5403C2T

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

Allelco
About Us
History
Certifications
Recruitment
Policies
Terms & Conditions
Privacy Policy
Cookie Policy
Services
Order Tracking
Return & Replacement
Frequently Asked Questions
Contact Us
Order
Shipping & Delivering
Payment Methods
My Account
The BlogsHot PartsChange LanguageNewsSite map
Contact Us
Headquarters Address:
Room C 13/F Harvard Commercial Building
105-111 Thomson Road Wan Chai
HongKong
Service Tel: +852-91464856
Service Email: info@allelco.com
Follow us
Copyright © 2012-2025 AllelcoElec.com. All rights reserved.
0 RFQ
Shopping cart (0 Items)
It is empty.
Submit RFQ
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB