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HomeProductsCrystals, Oscillators, ResonatorsOscillators654V5005C3T
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654V5005C3T - CTS-Frequency Controls

Manufacturer Part Number
654V5005C3T
Manufacturer
CTS Corporation
Allelco Part Number
98D-654V5005C3T
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
48,242 pcs available, New & Original
Parts Description
XTAL OSC XO 50.0000MHZ LVDS SMD
Package
6-SMD, No Lead
Data sheet
654V5005C3T.pdf
RoHs Status
ROHS3 Compliant
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Our certification
In stock: 48242
  • Unit Price: $2.855
  • Subtotal: $0.00

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Quantity Unit Price Ext. Price
1+ $2.855 $2.86
The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

654V5005C3T Tech Specifications
CTS-Frequency Controls - 654V5005C3T technical specifications, attributes, parameters and parts with similar specifications to CTS-Frequency Controls - 654V5005C3T

Product Attribute Attribute Value
Manufacturer CTS Corporation
Voltage - Supply 3.3V
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 ±25ppm
Frequency 50 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 frequency stability of the CTS-Frequency Controls 654V5005C3T compare to other LVDS oscillators in its class, and what implications does this have for precision timing applications?
The 654V5005C3T achieves a frequency stability of ±25ppm over its operating temperature range of -20°C to 70°C. This level of stability is typical for commercial-grade crystal oscillators and supports reliable operation in non-critical timing environments such as general-purpose clocking or moderate-speed data transmission. While not suitable for high-stability GPS or telecommunications infrastructure requiring ±5ppm or better, it provides sufficient accuracy for most embedded systems where cost and size are primary concerns.
What design trade-offs should engineers consider when selecting the 654V5005C3T for a high-reliability system, particularly regarding power consumption and thermal performance?
With a maximum supply current of 65mA at 3.3V and an additional 22mA when disabled, the 654V5005C3T consumes more power than low-power alternatives like MEMS oscillators. In battery-powered or thermally constrained designs, this may necessitate careful layout and power budgeting. However, its compact 5.00mm x 3.20mm footprint and surface-mount packaging enable integration into space-limited PCBs without significant thermal impact under normal conditions.
Can the CTS-Frequency Controls 654V5005C3T be used in applications requiring extended industrial temperature ranges beyond -20°C to 70°C, and what modifications would be needed?
No, the 654V5005C3T is rated only from -20°C to 70°C, making it unsuitable for direct use in harsh industrial or automotive environments where temperatures may exceed this range. For such applications, engineers must select an oscillator with an extended temperature specification (e.g., -40°C to +85°C or higher) or implement external thermal management, which could increase system complexity and footprint.
How does the LVDS output of the 654V5005C3T interface with downstream logic, and what termination strategy ensures optimal signal integrity at 50 MHz?
The LVDS output requires a 100Ω differential termination resistor across the receiver inputs, typically placed close to the destination IC. At 50 MHz, proper impedance matching minimizes reflections and ensures eye diagram compliance. Engineers should verify receiver compatibility and avoid stubs or long unterminated traces that could degrade signal quality, especially in multi-drop configurations.
What are the consequences of exceeding the maximum supply current of 65mA in the 654V5005C3T, and how can this be mitigated during board-level design?
Operating above 65mA may result in excessive self-heating, leading to frequency drift, reduced reliability, or even device failure over time. To mitigate this, designers should ensure clean 3.3V power delivery with adequate decoupling (e.g., 100nF ceramic capacitors near the VDD pin), avoid undersized traces on the power rail, and confirm that load conditions (including parasitic capacitance) do not cause inrush surges that push transient currents beyond limits.
How does the enable/disable function of the 654V5005C3T affect system power-up sequencing, and what precautions are necessary to prevent spurious outputs?
When enabled via the control pin, the oscillator takes a finite amount of time to stabilize—typically several milliseconds—before reaching full amplitude. During this period, the LVDS output may produce glitches. Therefore, downstream logic should remain in reset or tri-state mode until the oscillator is fully stable. Additionally, pull-up or pull-down resistors on the enable pin help maintain a defined state during power-up and brownout events.
In comparison to similar-sized SMD oscillators, how does the package height of the 654V5005C3T impact mechanical reliability in drop-shock environments?
Standing at 1.30mm max, the 654V5005C3T is relatively low-profile compared to some competitors, reducing susceptibility to flex-induced stress. However, its leadless SMD design lacks mechanical anchoring, so PCB pad reinforcement and conformal coating may be advisable in rugged applications. Drop testing often reveals solder joint fatigue as the primary failure mode, regardless of height, emphasizing the need for robust land pattern design.
What role does moisture sensitivity level (MSL) play in handling and reflow soldering of the 654V5005C3T, and how should it influence manufacturing workflows?
Classified as MSL 1, the 654V5005C3T is considered moisture-resistant and can withstand unlimited storage life under dry conditions. It tolerates standard reflow profiles without baking prior to assembly. Nevertheless, following JEDEC J-STD-033 guidelines—such as using original sealed packaging until just before use—helps preserve long-term reliability and prevents hidden moisture-related defects like popcorning during thermal cycling.
Why might an engineer choose a crystal-based oscillator like the 654V5005C3T over a MEMS alternative despite higher power and size considerations?
Crystal oscillators such as the 654V5005C3T offer superior phase noise, lower jitter, and proven long-term stability in mature technologies. In applications where signal purity matters—like video clocks or high-speed serial links—crystals often outperform early-generation MEMS devices. The 654V5005C3T provides these benefits in a compact form factor, making it preferable when legacy compatibility, performance margins, or regulatory certification history are priorities over ultra-low power or vibration tolerance.
How does the RoHS compliance status of the 654V5005C3T influence global market access, and are there any hidden restrictions in specific regions?
Certified RoHS3 compliant, the 654V5005C3T meets the European Union’s latest directive requirements and is exempt from lead-based solders. Its REACH unaffected status further simplifies export documentation. However, certain countries impose additional chemical restrictions (e.g., China RoHS, TSCA), so full compliance verification against end-use regulations remains essential, even if the part itself poses no restriction.
What is the significance of the HTSUS code 8542.39.0001 for the 654V5005C3T in international trade, and how does it affect import duties?
Classified under 8542.39.0001 as an electronic integrated circuit (excluding microassemblies), this Harmonized Tariff Schedule code applies primarily to U.S. imports and generally carries favorable duty rates—often zero for re-exported components. Accurate classification ensures compliance but requires validation against current customs rulings, as misclassification could lead to audits or penalties.
How should the 654V5005C3T be stored if not assembled immediately, and what environmental controls minimize degradation?
Despite MSL 1 classification, best practices recommend storing the 654V5005C3T in its original dry-pack bag with desiccant at ambient conditions below 30°C and 60% relative humidity. Prolonged exposure to high humidity accelerates tin whisker growth on exposed metallization, potentially causing short circuits. If stored beyond six months, periodic inspection or baking per IPC/JEDEC standards may be warranted depending on facility hygiene.
In a multi-oscillator system, how does enabling the 654V5005C3T alongside other clock sources affect ground bounce and supply noise?
Each active oscillator draws peak currents during startup and modulation, contributing to simultaneous switching noise (SSN). The 654V5005C3T’s 65mA max draw can couple onto shared power planes, especially if routing is suboptimal. Decoupling networks must be tailored per device, and star grounding or separate analog/digital domains help isolate clock generation stages to maintain signal integrity across the system.
What diagnostic techniques are effective for troubleshooting a failed start-up of the 654V5005C3T in production hardware?
Begin by verifying correct 3.3V supply voltage and enable signal assertion timing. Use an oscilloscope to check for oscillation onset; absence of waveform suggests internal fault or incorrect loading. Measure load capacitance seen by the resonator—exceeding 7pF may inhibit oscillation. Thermal imaging can reveal localized heating indicating latch-up, while probing the OE pin confirms control logic behavior independent of load conditions.
How does the absolute pull range (APR) parameter apply to the 654V5005C3T, and why is it listed as unspecified in the datasheet?
APR relates to frequency adjustment capability via external components, which the 654V5005C3T does not support as a fixed-frequency oscillator. Since it lacks trim pins or varactor interfaces, APR is irrelevant and thus omitted. This distinguishes it from voltage-controlled oscillators (VCOs) or TCXOs designed for fine-tuning, reinforcing its role as a stable, non-tunable reference source.
What impact does spread spectrum clocking have on the 654V5005C3T, and should it be considered for EMI-sensitive applications?
The 654V5005C3T does not support spread spectrum modulation, meaning its 50 MHz fundamental tone emits energy in a narrow band that may violate EMI regulations in sensitive environments. Without built-in spreading, external filtering or layout shielding becomes mandatory. Engineers targeting FCC or CE compliance should either add external spread spectrum modules or select a variant that natively includes this feature.
Given its small package size, what layout precautions are critical when routing signals adjacent to the 654V5005C3T to avoid interference?
Maintain at least 3x the trace width separation between the oscillator output and sensitive analog lines to reduce capacitive coupling. Avoid running digital signals perpendicularly across the component, as return path discontinuities can induce jitter. Ground stitching vias around the perimeter suppress radiated emissions, and minimizing via count on clock nets preserves signal integrity by reducing impedance discontinuities.
How does the choice of 50 MHz frequency align with common system architectures using the 654V5005C3T, and what harmonic implications arise?
Fifty megahertz is a standard rate for DDR memory subsystems and many Gigabit Ethernet PHYs, making the 654V5005C3T suitable for these domains. However, its fifth harmonic (250 MHz) may fall within ISM bands or interfere with RF receivers unless filtered. Designers should incorporate low-pass filters or guard traces if co-locating wireless radios, ensuring compliance with spectral mask requirements through careful PCB stackup and component placement.

Parts with Similar Specifications

The three parts on the right have similar specifications to CTS-Frequency Controls 654V5005C3T

Product Attribute 654V5005C2T 654V5003C3T 654V5004C3T 654V5405C2T
Part Number 654V5005C2T 654V5003C3T 654V5004C3T 654V5405C2T
Manufacturer CTS-Frequency Controls CTS-Frequency Controls CTS-Frequency Controls CTS-Frequency Controls
Frequency - - - -
Series - - - -
Voltage - Supply - - - -
Height - Seated (Max) - - - -
Output - - - -
Absolute Pull Range (APR) - - - -
Frequency Stability - - - -
Base Resonator - - - -
Size / Dimension - - - -
Type - - - -
Spread Spectrum Bandwidth - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Function - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Mounting Type - Surface Mount Through Hole Surface Mount
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Current - Supply (Disable) (Max) - - - -
Current - Supply (Max) - - - -
Ratings - - - -

654V5005C3T Datasheet PDF

Download 654V5005C3T pdf datasheets and CTS-Frequency Controls documentation for 654V5005C3T - 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

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    Aug 13, 2026

    Great low-power MCU for portable equipment. Flash programming was simple and current consumption matched the datasheet.

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    Aug 5, 2026

    Purchased this DSP controller for a motor control application. Stable processing performance and very good response under varying loads.

  • FPGA***dio
    Jul 30, 2026

    This FPGA handled our logic design without any surprises. Configuration completed quickly and timing met the project requirements.

  • 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
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    Installed this power component in a converter board. Output remained stable under different load conditions and thermal performance was better than expected.

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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.
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CTS-Frequency Controls

654V5005C3T

CTS-Frequency Controls
98D-654V5005C3T

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

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