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HomeProductsCrystals, Oscillators, ResonatorsOscillators654V5404C2T
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654V5404C2T - CTS-Frequency Controls

Manufacturer Part Number
654V5404C2T
Manufacturer
CTS Corporation
Allelco Part Number
98D-654V5404C2T
Warranty
1 Year Allelco Warranty - Find out more
Stock Status:
39,678 pcs available, New & Original
Parts Description
XTAL OSC XO 54.0000MHZ LVDS SMD
Package
6-SMD, No Lead
Data sheet
654V5404C2T.pdf
RoHs Status
ROHS3 Compliant
Compare
Our certification
In stock: 39678
  • 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

654V5404C2T Tech Specifications
CTS-Frequency Controls - 654V5404C2T technical specifications, attributes, parameters and parts with similar specifications to CTS-Frequency Controls - 654V5404C2T

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 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)

What are the key performance specifications of the CTS-Frequency Controls 654V5404C2T oscillator that impact signal integrity in high-speed digital systems?
The 654V5404C2T operates at a nominal frequency of 54.0000 MHz with an LVDS output configuration, making it suitable for low-noise clock distribution applications. Its ±30 ppm frequency stability over the -20°C to +70°C operating range ensures consistent timing accuracy in industrial environments. With a supply voltage of 2.5V and maximum active current draw of 65 mA, it balances power efficiency with drive capability. The enable/disable functionality allows dynamic control of clock signals, reducing standby power consumption—drawing only up to 22 mA when disabled. These characteristics collectively minimize jitter propagation and support reliable data synchronization in FPGA and ASIC-based designs.
How does the thermal behavior of the 654V5404C2T affect long-term reliability in compact PCB layouts?
Given its small footprint (5.00mm x 3.20mm) and surface-mount design, the 654V5404C2T must operate within a tightly constrained thermal environment. While the datasheet does not specify junction temperature rise, the maximum supply current of 65 mA at 2.5V results in a theoretical power dissipation of approximately 162.5 mW under full load. In densely populated boards with limited airflow, this could lead to localized heating near the oscillator. However, the device’s RoHS compliance and MSL 1 rating indicate suitability for automated assembly processes without sensitivity to moisture-induced failures. Engineers should ensure adequate copper pour or thermal relief in surrounding layers to maintain junction temperatures below recommended limits during continuous operation.
Can the 654V5404C2T be used as a drop-in replacement for a standard crystal in LVCMOS-based designs, and what modifications are necessary?
No, the 654V5404C2T is not a direct replacement for a passive crystal in LVCMOS applications due to its active LVDS output stage. Unlike crystals that require an external oscillator circuit, this component integrates an oscillator circuit and outputs a differential LVDS signal directly. Therefore, substituting it into an LVCMOS system would necessitate either a level translator or receiver capable of interpreting LVDS inputs. Conversely, if transitioning from LVCMOS to LVDS signaling for noise immunity, the 654V5404C2T can serve as a functional alternative without redesigning the entire clock chain, provided impedance matching and termination (typically 100Ω across the pair) are implemented per LVDS standards.
What trade-offs exist between using the 654V5404C2T versus a lower-cost crystal + oscillator IC solution in mass-produced consumer electronics?
Integrating the 654V5404C2T reduces bill-of-materials complexity by eliminating the need for an external crystal and supporting circuitry, which can lower component count and assembly costs in high-volume production. However, this comes at the expense of higher unit cost compared to discrete solutions. Additionally, while the 654V5404C2T offers built-in enable/disable control, a discrete design might allow more flexible tuning of startup time or output amplitude. The decision hinges on volume economics: for quantities exceeding several hundred thousand units, the integrated approach often yields better total cost of ownership despite higher per-unit pricing. For prototyping or low-run applications, a modular crystal-based system may offer greater adaptability.
Is the 654V5404C2T suitable for automotive-grade applications requiring AEC-Q200 qualification?
No, the 654V5404C2T is specified for commercial temperature operation (-20°C to +70°C) and lacks explicit automotive qualification such as AEC-Q200. Automotive systems typically demand extended temperature ranges (-40°C to +125°C), enhanced vibration resistance, and rigorous reliability testing. Although the part meets RoHS3 and has no REACH restrictions, these environmental and certification requirements exceed its stated ratings. For automotive use cases, engineers should select components explicitly qualified to AEC-Q200 Grade 2 or higher. The 654V5404C2T remains appropriate for industrial, instrumentation, or telecommunications equipment where commercial-grade reliability suffices.
How does the enable/disable feature of the 654V5404C2T influence power management strategies in battery-powered embedded systems?
The enable/disable pin allows software-controlled gating of the oscillator output, enabling dynamic power reduction during idle periods. When disabled, the device draws less than 22 mA, significantly lowering average current consumption in sleep modes. This capability supports energy-efficient state transitions common in IoT devices and portable instruments. However, designers must account for startup latency—typically tens of microseconds—when re-enabling the clock after shutdown. This delay may impact real-time responsiveness but is generally negligible for non-critical periodic tasks. Proper sequencing ensures clean transitions without glitches on downstream logic clocks.
What considerations apply when cascading multiple 654V5404C2T oscillators in a multi-clock domain system?
Cascading identical 654V5404C2T units requires careful attention to output loading and signal degradation. LVDS drivers have limited fan-out; driving multiple inputs without buffering risks reduced slew rate, increased skew, and potential EMI issues. Each LVDS receiver typically expects a differential impedance of 100Ω; mismatched terminations can cause reflections and ringing. If more than one downstream device receives the clock, an LVDS buffer IC should be inserted between stages. Additionally, phase alignment between oscillators is uncontrolled unless synchronized via a master reference, introducing cumulative jitter. For synchronous systems, a single master oscillator feeding all slaves is preferable to avoid clock domain conflicts.
How does the package size of the 654V5404C2T impact high-density PCB routing and layout density compared to larger SMD oscillators?
At 5.00mm x 3.20mm, the 654V5404C2T occupies minimal board space, enabling higher component density on multilayer PCBs common in modern FPGAs and SoCs. Its “no lead” configuration simplifies reflow soldering and supports fine-pitch pick-and-place automation. However, the small form factor limits accessible test points and complicates manual inspection or rework. Routing nearby high-speed traces demands strict adherence to length matching and controlled impedance, especially for LVDS pairs, to prevent crosstalk and timing errors. The 1.30mm maximum height also aids compatibility with thin-profile enclosures, though thermal vias beneath the package should be avoided to prevent solder wicking during reflow.
What are the implications of the 654V5404C2T’s frequency tolerance and stability specification for PLL-based frequency synthesis systems?
The ±30 ppm frequency stability defines how closely the 654V5404C2T maintains its 54 MHz output under varying conditions. In PLL architectures, this initial offset becomes the reference error floor for synthesized frequencies. For example, synthesizing 108 MHz from a 54 MHz input with a ×2 multiplier still retains ±30 ppm error, limiting absolute accuracy. Over time, temperature cycling or aging may degrade stability further, affecting loop filter design and lock time. Systems requiring sub-ppm precision—such as wireless base stations or precision measurement gear—would benefit from oven-controlled or digitally compensated references instead of relying solely on this oscillator’s inherent stability.
How should the 654V5404C2T be handled during manufacturing to prevent damage given its Moisture Sensitivity Level (MSL) rating?
Classified as MSL 1, the 654V5404C2T has unlimited shelf life under normal storage conditions and does not require bake-out prior to reflow soldering. However, handling precautions remain essential: avoid electrostatic discharge (ESD) exposure due to its sensitive CMOS circuitry, even though ESD protection is not explicitly rated. Store in anti-static packaging until use, and minimize exposure to ambient humidity during prolonged handling. Since lead-free solder profiles apply, ensure process parameters align with JEDEC J-STD-020 for peak reflow temperatures exceeding 245°C for short durations. No additional moisture conditioning is mandated, simplifying supply chain logistics for just-in-time manufacturing.
What alternatives exist to the 654V5404C2T for applications requiring wider operating temperature ranges beyond -20°C to +70°C?
For extended temperature applications, consider industrial-grade variants from similar families like the 654P/L series with broader temp specs or third-party equivalents rated to -40°C to +85°C or even military-grade options. Suppliers such as Abracon, ECS, or TXC offer LVDS-output oscillators in comparable footprints with enhanced thermal resilience. Alternatively, some manufacturers provide custom-tuned versions of the 654V5404C2T with modified internal compensation circuits, though availability depends on procurement channels. Always verify parametric equivalence—especially frequency drift, supply current, and enable logic levels—before substitution to avoid unplanned redesign efforts.
How does the choice between LVDS and HCSL outputs affect system noise performance when replacing the 654V5404C2T with another oscillator type?
LVDS (Low-Voltage Differential Signaling) uses lower swing amplitudes (~350 mV) and common-mode voltages around 1.25V, resulting in reduced electromagnetic interference (EMI) and lower power consumption compared to HCSL (High-Swing Current Steering Logic). While both are differential, HCSL’s higher voltage swings increase radiated emissions and require tighter ground plane management. In noisy environments or long trace runs, LVDS provides better noise margin due to its constant-current driver architecture. The 654V5404C2T’s LVDS implementation favors applications prioritizing EMI compliance and power efficiency, whereas HCSL may be preferred where longer reach or higher drive strength is needed—at the cost of increased complexity and heat.

Parts with Similar Specifications

The three parts on the right have similar specifications to CTS-Frequency Controls 654V5404C2T

Product Attribute 654V5404I2T 654V5403C2T 654V5404C3T 654V5405C2T
Part Number 654V5404I2T 654V5403C2T 654V5404C3T 654V5405C2T
Manufacturer CTS-Frequency Controls CTS-Frequency Controls CTS-Frequency Controls CTS-Frequency Controls
Voltage - Supply - - - -
Package - Tape & Reel (TR) Tube Tape & Reel (TR)
Type - - - -
Mounting Type - Surface Mount Through Hole Surface Mount
Function - - - -
Frequency - - - -
Spread Spectrum Bandwidth - - - -
Ratings - - - -
Operating Temperature - -40°C ~ 85°C 0°C ~ 70°C -40°C ~ 85°C
Current - Supply (Max) - - - -
Package / Case - 196-LFBGA 16-DIP (0.300', 7.62mm) 64-VFQFN Exposed Pad
Size / Dimension - - - -
Series - - - -
Height - Seated (Max) - - - -
Absolute Pull Range (APR) - - - -
Frequency Stability - - - -
Current - Supply (Disable) (Max) - - - -
Base Resonator - - - -
Output - - - -

654V5404C2T Datasheet PDF

Download 654V5404C2T pdf datasheets and CTS-Frequency Controls documentation for 654V5404C2T - CTS-Frequency Controls.

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

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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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(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
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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.
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CTS-Frequency Controls

654V5404C2T

CTS-Frequency Controls
98D-654V5404C2T

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

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