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HomeProductsCrystals, Oscillators, ResonatorsOscillators654V6254C2T
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654V6254C2T - CTS-Frequency Controls

Manufacturer Part Number
654V6254C2T
Manufacturer
CTS Corporation
Allelco Part Number
98D-654V6254C2T
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
49,390 pcs available, New & Original
Parts Description
XTAL OSC XO 62.5000MHZ LVDS SMD
Package
6-SMD, No Lead
Data sheet
654V6254C2T.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 49390
  • Unit Price: $2.757
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $2.757 $2.76
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

654V6254C2T Tech Specifications
CTS-Frequency Controls - 654V6254C2T technical specifications, attributes, parameters and parts with similar specifications to CTS-Frequency Controls - 654V6254C2T

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 ±30ppm
Frequency 62.5 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 654V6254C2T LVDS oscillator's frequency stability compare to other clock sources in low-power embedded systems operating at 2.5V?
The 654V6254C2T achieves ±30ppm frequency stability, which is suitable for applications requiring moderate timing precision without the overhead of temperature-compensated crystal oscillators. This level of stability supports reliable communication protocols such as Gigabit Ethernet and DDR memory interfaces in cost-sensitive designs. When compared to TCXOs offering ±0.5ppm or OCXRs with sub-ppb performance, this device trades extreme accuracy for power efficiency and board space savings. Its 65mA maximum supply current under active operation makes it a pragmatic choice for battery-powered or thermally constrained environments where absolute timing precision is less critical than system integration density.
What are the key design considerations when integrating the CTS-Frequency Controls 654V6254C2T into a high-speed digital signal processing chain?
Integration of the 654V6254C2T requires careful attention to trace impedance matching on the LVDS output due to its differential signaling nature. The 5.00mm x 3.20mm footprint allows placement near ICs requiring precise clock distribution, but layout must minimize stub lengths and avoid vias on differential paths to prevent signal integrity degradation. The enable/disable function allows power gating during idle periods, reducing steady-state consumption from 65mA to 22mA when disabled—this feature supports dynamic power management strategies. Additionally, the -20°C to +70°C operating range limits deployment in industrial or automotive environments unless derated with thermal margins.
Can the 654V6254C2T be used as a replacement for an LVPECL oscillator in a legacy system design, and what trade-offs would that entail?
While both LVDS and LVPECL provide differential outputs, the 654V6254C2T cannot directly replace an LVPECL source without circuit adaptation. LVPECL uses internal termination and has different voltage swing characteristics; mismatched termination can lead to reflections and degraded eye diagrams. However, LVDS receivers often tolerate LVPECL input levels if properly biased, making conditional substitution possible with external resistors. The main advantage is lower supply current (65mA vs typical 120–200mA for LVPECL), but phase noise and jitter performance may not meet stringent requirements. System designers should validate signal integrity through IBIS simulation or hardware probing before committing to such a substitution.
What impact does the MSL 1 classification have on storage and handling logistics for bulk orders of the 654V6254C2T in high-volume manufacturing?
With Moisture Sensitivity Level 1 (Unlimited), the 654V6254C2T poses minimal risk during standard SMT assembly processes. This eliminates the need for bake-out cycles or humidity-controlled storage prior to reflow, simplifying supply chain logistics and reducing handling costs in automated production lines. Manufacturers can accept tape-and-reel deliveries without special packaging requirements, accelerating Just-in-Time inventory turnover. This characteristic benefits high-volume electronics producers seeking streamlined procurement workflows while maintaining RoHS3 and REACH compliance across global operations.
How does the absence of Absolute Pull Range specification affect tuning flexibility when using the 654V6254C2T in phase-locked loop configurations?
The lack of published Absolute Pull Range data indicates this oscillator is designed for fixed-frequency operation rather than post-production trimming or calibration. This simplifies design but restricts use in adaptive clocking scenarios where frequency synthesis or compensation is required. In PLL-based systems, this means the reference clock remains static, limiting dynamic reconfiguration options. Designers must ensure the 62.5MHz output aligns precisely with the target system clock tree, as no fine-tuning capability exists. This trade-off favors simplicity over configurability, making it ideal for deterministic applications like synchronous data buses rather than software-defined radio front-ends.
Are there any hidden risks in using the 654V6254C2T beyond its datasheet parameters, particularly concerning long-term drift or aging effects?
While the ±30ppm stability covers short-term environmental variations, long-term aging can accumulate over thousands of hours, potentially exceeding initial specifications. Crystal-based oscillators typically exhibit aging rates of 1–5 ppm/year, meaning after five years, total deviation could reach ±35ppm. For mission-critical systems with tight timing budgets, periodic recalibration or redundant timing sources may be necessary. Additionally, vibration sensitivity inherent to crystal resonators suggests mechanical stress in rugged environments could induce microphonics or frequency shifts not fully captured in lab testing. These factors necessitate margin planning in endurance-sensitive deployments.
What distinguishes the 654V6254C2T from similar LVDS oscillators in terms of package profile and its implications for PCB layer stacking?
The 6-SMD, no-lead package measures only 1.30mm in height, enabling placement on double-sided boards without interfering with taller components or connectors. This low-profile form factor reduces overall stack-up thickness, which is advantageous in compact enclosures or multi-layer PCBs where z-axis space is constrained. Compared to gull-wing packages requiring more clearance, this enables denser component placement and improved airflow for thermal management. However, soldering inspection requires X-ray or automated optical systems due to the absence of leads, increasing test complexity in high-mix environments.
Given its spread spectrum bandwidth specification is unspecified, what assumptions should engineers make about EMI mitigation capabilities when deploying the 654V6254C2T?
An undefined spread spectrum feature implies the 654V6254C2T lacks intentional dithering of carrier frequency to reduce peak emissions. Without this modulation technique, conducted and radiated EMI near harmonic frequencies—such as 125MHz (second harmonic of 62.5MHz)—may exceed regulatory thresholds in sensitive bands. Engineers should implement additional filtering (e.g., π-filters or common-mode chokes) and layout techniques like ground planes under the oscillator to suppress emissions. This limitation makes the part less suitable for FCC/CE Class B applications without supplemental mitigation, unlike spread-spectrum variants engineered specifically for EMI compliance.

Parts with Similar Specifications

The three parts on the right have similar specifications to CTS-Frequency Controls 654V6254C2T

Product Attribute 654V6255C2T 654V6253C2T 654V6254C3T 654V6254I2T
Part Number 654V6255C2T 654V6253C2T 654V6254C3T 654V6254I2T
Manufacturer CTS-Frequency Controls CTS-Frequency Controls CTS-Frequency Controls CTS-Frequency Controls
Output - - - -
Current - Supply (Max) - - - -
Voltage - Supply - - - -
Type - - - -
Frequency Stability - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Current - Supply (Disable) (Max) - - - -
Height - Seated (Max) - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Size / Dimension - - - -
Base Resonator - - - -
Ratings - - - -
Series - - - -
Absolute Pull Range (APR) - - - -
Function - - - -
Spread Spectrum Bandwidth - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Frequency - - - -

654V6254C2T Datasheet PDF

Download 654V6254C2T pdf datasheets and CTS-Frequency Controls documentation for 654V6254C2T - CTS-Frequency Controls.

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

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  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)
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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.
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We eliminate defective components and ensure the stable operation of electronic devices through professional quality standards.
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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.


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Certifications & Memberships

Third-party certified, strict quality control. Our certification
  • ISO 9001: 2015
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  • IPC
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  • PSMA
CTS-Frequency Controls

654V6254C2T

CTS-Frequency Controls
98D-654V6254C2T

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

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