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Home Products Crystals, Oscillators, Resonators Oscillators~~654V6253I2T~~

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654V6253I2T - CTS-Frequency Controls

Manufacturer Part Number: 654V6253I2T

Manufacturer: CTS Corporation

Allelco Part Number: 98D-654V6253I2T

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 37,525 pcs available, New & Original

Parts Description: XTAL OSC XO 62.5000MHZ LVDS SMD

Package: 6-SMD, No Lead

Data sheet: 654V6253I2T.pdf

Datasheets
654P/L Series Datasheet.pdf

Environmental Information
RoHS Filters, Crystals, Oscillators.pdf CTS Corp REACH.pdf

RoHs Status: ROHS3 Compliant

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In stock: 37525

Unit Price: $2.73
Subtotal: $0.00

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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

654V6253I2T Tech Specifications
CTS-Frequency Controls - 654V6253I2T technical specifications, attributes, parameters and parts with similar specifications to CTS-Frequency Controls - 654V6253I2T

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	-40°C ~ 85°C
Mounting Type	Surface Mount
Height - Seated (Max)	0.051" (1.30mm)
Function	Enable/Disable
Frequency Stability	±50ppm
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)

What is the frequency stability and supply current characteristics of the 654V6253I2T oscillator under typical operating conditions?: The 654V6253I2T provides a frequency stability of ±50ppm across its -40°C to 85°C operating range, ensuring consistent timing performance in industrial environments. Under normal operation with LVDS output enabled, it draws a maximum supply current of 65mA at 2.5V. When disabled, the current consumption drops significantly to a maximum of 22mA, making it suitable for power-sensitive applications where periodic shutdowns are required without compromising long-term reliability.

How does the 654V6253I2T compare to standard crystal oscillators in terms of output type and integration flexibility?: Unlike basic crystal oscillators that require external clock generation circuits, the 654V6253I2T integrates an onboard oscillator circuit with LVDS output, eliminating the need for additional logic or termination components. This contrasts with traditional XO designs that often use CMOS or HCMOS outputs, offering better signal integrity and reduced EMI at high frequencies. The inclusion of an enable/disable function further distinguishes it from passive crystals by allowing dynamic control over power consumption during system initialization or sleep modes.

What mounting considerations should be evaluated when integrating the 654V6253I2T into a high-density PCB layout?: The 654V6253I2T uses a 6-SMD, no-lead package measuring 5.00mm x 3.20mm with a seated height of 1.30mm, enabling placement on compact PCBs without requiring through-hole routing. However, due to its surface-mount design and sensitive frequency output, proper grounding and decoupling are essential—place a 10µF bulk capacitor and a 0.1µF ceramic capacitor as close as possible to the VDD pin. Avoid routing digital traces near the oscillator pins to prevent coupling-induced jitter, and ensure adequate copper pour on the ground plane beneath the device for thermal and noise management.

Can the 654V6253I2T be used in systems requiring low-power operation or intermittent clocking?: Yes, the 654V6253I2T supports dynamic power management through its enable/disable pin, which reduces supply current from 65mA (active) to 22mA (disabled). While this is not ultra-low-power compared to modern MEMS-based clocks, it offers sufficient control for applications like battery-powered test equipment or modular systems where clocks can be powered down during idle periods. The device maintains stability across repeated enable/disable cycles, provided temperature transitions remain within specified limits.

In what scenarios would the ±50ppm frequency stability of the 654V6253I2T be considered acceptable versus insufficient?: A ±50ppm tolerance is typically acceptable for consumer-grade communication interfaces such as USB 2.0 (which allows up to ±0.25% or 250ppm), Gigabit Ethernet (allowing ±100ppm), and most FPGA reference clocks where internal PLLs can absorb moderate timing drift. However, precision applications like synchronous optical networking (SONET), GPS disciplined oscillators, or high-speed serial links requiring sub-10ppm accuracy may demand higher stability parts. For PCIe Gen3 or SATA III, the 654V6253I2T’s stability is generally sufficient given margining in receiver specifications.

How does the operating temperature range impact the selection of the 654V6253I2T for automotive or industrial environments?: Although the 654V6253I2T operates from -40°C to 85°C, it is not qualified for automotive AEC-Q100 standards, so caution should be exercised when proposing it for mission-critical automotive subsystems. For industrial automation, telecommunications infrastructure, or commercial avionics, however, this temperature range is commonly accepted and aligns with many non-safety-critical designs. Always verify end-system environmental requirements against component ratings to avoid premature failure due to thermal stress beyond specified bounds.

What are the implications of using the 654V6253I2T in a spread spectrum-enabled system?: The 654V6253I2T does not support built-in spread spectrum modulation, unlike some programmable oscillators designed for EMI reduction in high-speed data buses. Therefore, if your application requires compliance with FCC Class B or CISPR 22 emissions standards using spread spectrum techniques, you must either select a compatible alternative or implement external modulation circuitry—adding complexity and potential phase noise penalties. For most general-purpose digital systems without strict EMI constraints, this limitation is not a drawback.

Why might engineers choose the 654V6253I2T over an off-the-shelf LVDS driver plus crystal combination?: Integrating the 654V6253I2T consolidates two discrete components—a crystal and an oscillator IC—into a single, pre-tested module, reducing board space, assembly cost, and risk of mismatched impedance or startup issues. Its factory-trimmed frequency and LVDS output also guarantee matched rise/fall times and differential swing, improving signal integrity over point-to-point implementations. Additionally, the enable/disable feature simplifies system-level power sequencing without requiring external gate logic.

What is the significance of the Moisture Sensitivity Level (MSL) rating for the 654V6253I2T during reflow soldering?: With an MSL rating of 1, the 654V6253I2T is classified as "non-hygroscopic" and can withstand unlimited exposure to ambient humidity before reflow processing. This eliminates the need for baking prior to assembly, streamlining production workflows and reducing handling costs. It also ensures compatibility with standard lead-free reflow profiles without risk of delamination or popcorning, provided standard ESD precautions are observed during handling.

How does the package size of the 654V6253I2T influence its suitability for space-constrained embedded designs?: At 5.00mm x 3.20mm, the 654V6253I2T occupies minimal board real estate while still permitting adequate thermal dissipation and solder joint reliability. This makes it ideal for handheld devices, IoT nodes, and modular backplane cards where component density is critical. Compared to larger 8-pin SOIC-style oscillators, it saves approximately 30–40% footprint area without sacrificing functionality, though designers must still allocate guard rings around adjacent high-impedance nets to preserve frequency accuracy.

Is the 654V6253I2T RoHS compliant, and what regulatory considerations apply to global distribution?: Yes, the 654V6253I2T is fully RoHS3 compliant, meaning it adheres to the latest European Union restrictions on hazardous substances including lead, mercury, cadmium, and certain flame retardants. It is also REACH unaffected and carries an ECCN classification of EAR99, indicating it is subject to U.S. export controls only in rare cases involving military end-use. These attributes facilitate global sourcing and simplify compliance documentation for OEMs targeting multiple markets.

What design trade-offs exist between using the 654V6253I2T versus a TCXO or OCXO in cost-sensitive applications?: While TCXOs and OCXOs offer superior frequency stability (<±0.5ppm to ±2ppm) and temperature compensation, they consume significantly more power (often >100mA) and occupy larger packages. The 654V6253I2T delivers adequate stability (±50ppm) for many digital systems at lower cost, smaller size, and reduced power draw. The trade-off favors simplicity and affordability unless extreme accuracy or long-term drift compensation is mandated by specification.

How should the enable/disable functionality of the 654V6253I2T be managed during system reset sequences?: The enable pin should be actively driven during power-up and reset events to ensure deterministic startup behavior. Tie it high via a pull-up resistor if always-on operation is desired, or connect it to a microcontroller GPIO capable of asserting control signals early in boot code execution. Avoid leaving it floating, as undefined states may cause excessive inrush current or unstable oscillation. Similarly, during shutdown, allow settling time before cutting power to prevent transient glitches on downstream logic.

What are the typical applications where the 654V6253I2T’s LVDS output proves advantageous?: LVDS is preferred in high-speed backplanes, fiber channel transceivers, and display interfaces like DVI or HDMI where low electromagnetic interference and balanced signaling are crucial. The 654V6253I2T’s fixed 62.5MHz frequency suits video pixel clocks, DDR memory reference timing, and synchronous data strobes. Its 2.5V supply aligns well with legacy FPGA families such as Xilinx Spartan-3 or Altera Cyclone II, simplifying voltage domain matching without level shifters.

Does the 654V6253I2T require external load capacitors, and how does this affect PCB layout?: No external load capacitors are needed because the oscillator circuit is internally compensated for the crystal’s equivalent load capacitance. This reduces component count and simplifies BOM management. However, ensure the PCB trace lengths from the crystal pads (if exposed) to the IC do not exceed 5mm to maintain intended loading conditions. Keep these traces short and shielded from nearby switching nodes to avoid parasitic capacitance effects that could perturb frequency accuracy.

How reliable is the 654V6253I2T under rapid temperature cycling common in outdoor or aerospace environments?: Given its industrial-grade temperature range (-40°C to 85°C) but lack of formal automotive qualification, the 654V6253I2T performs reliably under steady-state thermal conditions. However, frequent or extreme thermal cycling may induce mechanical fatigue in the crystal mount or solder joints over time, potentially leading to intermittent failures. For applications experiencing >100 cycles per day or excursions beyond -40°C to +85°C, consider hermetically sealed or oven-controlled alternatives despite higher cost and size penalties.

Parts with Similar Specifications

The three parts on the right have similar specifications to CTS-Frequency Controls 654V6253I2T

Product Attribute
Part Number	654V6253I3T	654V6254I2T	654V6253C2T	654V6253C3T
Manufacturer	CTS-Frequency Controls	CTS-Frequency Controls	CTS-Frequency Controls	CTS-Frequency Controls
Ratings	-	-	-	-
Voltage - Supply	-	-	-	-
Frequency Stability	-	-	-	-
Base Resonator	-	-	-	-
Frequency	-	-	-	-
Function	-	-	-	-
Current - Supply (Max)	-	-	-	-
Spread Spectrum Bandwidth	-	-	-	-
Height - Seated (Max)	-	-	-	-
Absolute Pull Range (APR)	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Size / Dimension	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Series	-	-	-	-
Output	-	-	-	-
Type	-	-	-	-
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Current - Supply (Disable) (Max)	-	-	-	-

654V6253I2T Datasheet PDF

Download 654V6253I2T pdf datasheets and CTS-Frequency Controls documentation for 654V6253I2T - 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

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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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

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654V6253I2T

CTS-Frequency Controls
98D-654V6253I2T

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