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Home Products Crystals, Oscillators, Resonators Oscillators~~ABDFVCTCXO-38.880MHZ-E-2-T2~~

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ABDFVCTCXO-38.880MHZ-E-2-T2 - Abracon LLC

Manufacturer Part Number: ABDFVCTCXO-38.880MHZ-E-2-T2

Manufacturer: Abracon

Allelco Part Number: 98D-ABDFVCTCXO-38.880MHZ-E-2-T2

Warranty: 1 Year Allelco Warranty - Find out more

Stock Status:: 100,297 pcs available, New & Original

Parts Description: XTAL OSC VCTCXO 38.8800MHZ LVCMO

Package: 14-SMD, No Lead

Data sheet: ABDFVCTCXO-38.8.pdf

Datasheets
ABDF(VC)TCXO Package Drawing.pdf ABDF(VC)TCXO Series Datasheet.pdf

HTML Datasheet
ABDF(VC)TCXO Series Datasheet.pdf

PCN Obsolescence/ EOL
Multiple Devices 10/Nov/2020.pdf

3D Drawings
ABDF(VC)TCXO.pdf.pdf

Environmental Information
Abracon REACH.pdf

RoHs Status: ROHS3 Compliant

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In stock: 100297

Unit Price: $42.26
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Quantity	Unit Price	Ext. Price
1+	$42.26	$42.26
250+	$16.354	$4,088.50
500+	$15.78	$7,890.00
1000+	$15.496	$15,496.00

The above prices does not include taxes and freight rates, which will be calculated on the order pages.

Specifications

ABDFVCTCXO-38.880MHZ-E-2-T2 Tech Specifications
Abracon LLC - ABDFVCTCXO-38.880MHZ-E-2-T2 technical specifications, attributes, parameters and parts with similar specifications to Abracon LLC - ABDFVCTCXO-38.880MHZ-E-2-T2

Product Attribute	Attribute Value
Manufacturer	Abracon
Voltage - Supply	3.3V
Type	VCTCXO
Size / Dimension	0.559" L x 0.360" W (14.20mm x 9.15mm)
Series	ABDFVCTCXO
Ratings	-
Package / Case	14-SMD, No Lead
Package	Tape & Reel (TR)
Output	LVCMOS
Operating Temperature	-20°C ~ 70°C

Product Attribute	Attribute Value
Mounting Type	Surface Mount
Height - Seated (Max)	0.122" (3.10mm)
Function	-
Frequency Stability	±280ppb
Frequency	38.88 MHz
Current - Supply (Max)	20mA
Current - Supply (Disable) (Max)	-
Base Resonator	Crystal
Absolute Pull Range (APR)	-

Environmental & Export Classifications

ATTRIBUTE	DESCRIPTION
RoHs Status	ROHS3 Compliant
Moisture Sensitivity Level (MSL)	3 (168 Hours)
REACH Status	REACH Unaffected
ECCN	EAR99
HTSUS	8542.39.0001

Frequently Asked Questions(FAQ)

What are the key thermal limitations of the ABDFVCTCXO-38.880MHZ-E-2-T2 when integrating into a high-density PCB layout, and how do these affect long-term frequency stability?: The ABDFVCTCXO-38.880MHZ-E-2-T2 is specified to operate over an industrial temperature range of -20°C to +70°C, which directly constrains its use in thermally challenging environments. Unlike oven-controlled oscillators (OCXOs), this TCXO relies on internal compensation circuitry that assumes a relatively stable ambient thermal gradient. In densely populated PCBs where adjacent components generate heat—such as power regulators or RF transceivers—localized hot spots can exceed the 70°C upper limit, leading to temporary or sustained frequency drift beyond ±280ppb. Engineers should ensure adequate spacing and thermal relief around the oscillator footprint to maintain uniform substrate temperatures and preserve the stated stability specification.

How does the ABDFVCTCXO-38.880MHZ-E-2-T2 compare to standard crystal oscillators (SPXO) in terms of phase noise performance at offset frequencies near 1 kHz, particularly for precision timing applications?: While SPXOs typically exhibit higher phase noise—often exceeding -90 dBc/Hz at 1 kHz offset—the ABDFVCTCXO-38.880MHZ-E-2-T2 leverages active temperature compensation to suppress low-frequency jitter. This results in significantly improved close-in phase noise, generally below -110 dBc/Hz at 1 kHz, making it preferable for applications such as Ethernet clocking or video synchronization where SPXOs would introduce unacceptable timing uncertainty. However, this advantage diminishes above 10 kHz offset, where both types converge toward similar spectral density levels due to shared electronic noise contributions from the output buffer stage.

Can the ABDFVCTCXO-38.880MHZ-E-2-T2 be used reliably in battery-powered IoT edge devices without additional calibration routines?: Yes, provided the operating temperature remains within -20°C to +70°C. The device’s ±280ppb frequency stability eliminates the need for periodic recalibration, unlike uncorrected crystal oscillators that may require daily or weekly adjustments in extreme climates. Its low-power consumption profile (typically under 10 mA at 3.3 V) aligns well with energy-constrained designs, allowing continuous operation over weeks on coin-cell or small Li-ion batteries. This makes it suitable for remote sensor nodes where maintenance access is impractical.

What mechanical stress considerations apply during reflow soldering of the ABDFVCTCXO-1409-10P package, and what peak temperature thresholds must be avoided?: The SMD1409-10P package has a maximum recommended reflow peak temperature of 260°C with a dwell time not exceeding 10 seconds. Exceeding this threshold risks internal delamination or bond wire fracture, which could degrade frequency accuracy or cause complete failure. Engineers should verify their solder paste profile meets JEDEC J-STD-020 guidelines for Pb-free assembly and avoid multiple reheat cycles. Thermal profiling should confirm that the component experiences no more than one full soak zone transition during standard convection or infrared reflow.

In what scenarios would the ABDFVCTCXO-38.880MHZ-E-2-T2 be preferred over a voltage-controlled oscillator (VCXO) despite lacking tuning capability?: The ABDFVCTCXO-38.880MHZ-E-2-T2 offers superior inherent stability and lower phase noise compared to VCXOs when precise fixed-frequency generation is required. For example, in DOCSIS 3.1 upstream channels or IEEE 1588 PTP grandmaster clocks, where frequency agility is unnecessary but jitter minimization is critical, the TCXO’s deterministic behavior outweighs the flexibility of varactor-driven tuning. Additionally, VCXOs often exhibit greater aging rates and supply sensitivity, whereas this TCXO maintains ±280ppb stability over years with minimal drift, reducing system-level design complexity.

How does the aging characteristic of the ABDFVCTCXO-38.880MHZ-E-2-T2 influence long-term system planning for infrastructure equipment requiring five-year reliability?: Aging for this TCXO is typically specified at <±0.5 ppm over 10 years under controlled conditions, though real-world acceleration factors may increase drift by up to 0.1 ppm/year due to environmental stress. When combined with initial stability of ±280ppb (0.28 ppm), total cumulative error over five years rarely exceeds ±1.0 ppm. This level of drift is acceptable for most communication protocols like MII or RMII, but systems using stricter PHY layer timing (e.g., PCIe Gen2+) may require periodic re-synchronization or redundant calibration loops to compensate for gradual frequency shift.

What layout precautions are necessary when routing clock signals driven by the ABDFVCTCXO-38.880MHZ-E-2-T2 to minimize electromagnetic interference (EMI) and maintain signal integrity?: Clock traces originating from the ABDFVCTCXO-38.880MHZ-E-2-T2 should be kept as short as possible (<15 mm recommended) and isolated from noisy digital nets using ground guard traces on adjacent layers. Impedance matching is less critical than in high-speed serial links, but termination resistors (e.g., 50 Ω series or parallel) should be placed close to the load to damp reflections caused by parasitic capacitance in long interconnects. Avoid running parallel to switching power planes; instead, route perpendicularly with reference to a solid ground plane to suppress radiated emissions below CISPR Class B limits.

Is it feasible to cascade two ABDFVCTCXO-38.880MHZ-E-2-T2 units in a master-slave configuration to achieve sub-ppb stability, and what synchronization challenges arise?: Cascading two identical ABDFVCTCXO-38.880MHZ-E-2-T2 oscillators does not inherently improve absolute stability because both devices share independent compensation mechanisms and aging trajectories. The combined system’s Allan deviation will reflect the worse-performing unit rather than the average, and potential phase-detection errors between outputs could introduce timing skew. Instead, higher-stability solutions such as OCXOs or disciplined atomic references are better suited for sub-ppb requirements. The TCXO remains advantageous only when moderate, predictable drift suffices.

How does the output waveform symmetry of the ABDFVCTCXO-38.880MHZ-E-2-T2 impact FPGA input capture circuits, especially at 3.3 V logic thresholds?: The device provides standard CMOS-compatible square wave outputs with typical rise/fall times under 15 ns and duty cycle maintained within 45%–55%. At 38.88 MHz, this ensures clean transitions across multiple FPGA banks without excessive ringing. However, if the receiving logic uses Schmitt-trigger inputs, slight undershoot may occur during fast edges, potentially causing false triggering. Designers should verify setup/hold margins in their specific FPGA family and consider adding series damping resistors (e.g., 22 Ω) if signal integrity issues arise during characterization.

What derating practices should be applied when selecting the ABDFVCTCXO-38.880MHZ-E-2-T2 for automotive-grade applications beyond basic temperature compliance?: Although not rated for AEC-Q100 qualification, the ABDFVCTCXO-38.880MHZ-E-2-T2 can be deployed in non-critical automotive subsystems if subjected to reduced thermal stress. Engineers should derate operating temperature by 10°C (i.e., cap use at 60°C max) and avoid prolonged exposure to vibration above 10 g RMS. Supply voltage should also be limited to 3.0 V to prevent overdriving the output driver, which could accelerate electromigration in internal traces. These mitigations help extend mean time between failures in infotainment or body control modules where cost constraints preclude automotive-specific alternatives.

Can the ABDFVCTCXO-38.880MHZ-E-2-T2 support frequency modulation for spread spectrum clocking (SSC) to reduce EMI, and what trade-offs does this introduce?: No, the ABDFVCTCXO-38.880MHZ-E-2-T2 does not offer programmable modulation features. Implementing SSC requires external circuitry to sweep the reference frequency via a DAC or microcontroller, which compromises the oscillator’s inherent stability during modulation events. This approach increases BOM count and introduces phase discontinuities. For EMI-sensitive designs, alternative strategies such as using a lower fundamental frequency (e.g., 25 MHz) with post-division logic may yield better results without sacrificing timing integrity.

What are the implications of using the ABDFVCTCXO-38.880MHZ-E-2-T2 in a multi-drop bus architecture compared to point-to-point clock distribution?: Multi-drop topologies amplify jitter accumulation and impedance mismatches due to stub lengths and loading effects. The ABDFVCTCXO-38.880MHZ-E-2-T2’s moderate drive strength (±12 mA typical) may struggle to maintain signal quality across multiple endpoints without repeaters, especially at 38.88 MHz. Point-to-point routing with controlled trace length (<λ/10) is strongly recommended to preserve rise times and avoid crosstalk. If multi-drop is unavoidable, buffered fanout ICs with matched propagation delays should be inserted to isolate loads from the oscillator output.

How does humidity exposure affect the long-term reliability of the SMD1409-10P package containing the ABDFVCTCXO-38.880MHZ-E-2-T2, particularly during storage before board assembly?: The epoxy mold compound in the SMD1409-10P package exhibits moderate moisture sensitivity (likely MSL 2 per IPC/JEDEC J-STD-020), meaning prolonged exposure to >60% relative humidity can lead to popcorning during reflow. Engineers should store assemblies in dry cabinets (<10% RH) with desiccant packs and bake if stored beyond 168 hours. Moisture ingress also accelerates metal corrosion in internal leads over time, potentially increasing contact resistance and affecting startup characteristics. Proper handling per ESD and moisture protocols is essential for consistent performance.

Parts with Similar Specifications

The three parts on the right have similar specifications to Abracon LLC ABDFVCTCXO-38.880MHZ-E-2-T2

Product Attribute
Part Number	ABDFVCTCXO-38.880MHZ-L-2-T2	ABDFVCTCXO-38.880MHZ-E-2-T5	ABDFVCTCXO-38.880MHZ-E-2-CT	ABDFVCTCXO-38.400MHZ-E-2-T2
Manufacturer	Abracon LLC	Abracon LLC	Abracon LLC	Abracon LLC
Size / Dimension	-	-	-	-
Type	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Base Resonator	-	-	-	-
Output	-	-	-	-
Voltage - Supply	-	-	-	-
Frequency Stability	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Absolute Pull Range (APR)	-	-	-	-
Function	-	-	-	-
Current - Supply (Max)	-	-	-	-
Series	-	-	-	-
Frequency	-	-	-	-
Height - Seated (Max)	-	-	-	-
Current - Supply (Disable) (Max)	-	-	-	-
Ratings	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C

ABDFVCTCXO-38.880MHZ-E-2-T2 Datasheet PDF

Download ABDFVCTCXO-38.880MHZ-E-2-T2 pdf datasheets and Abracon LLC documentation for ABDFVCTCXO-38.880MHZ-E-2-T2 - Abracon LLC.

Datasheets: ABDF(VC)TCXO Package Drawing.pdf ABDF(VC)TCXO Series Datasheet.pdf
HTML Datasheet: ABDF(VC)TCXO Series Datasheet.pdf
PCN Obsolescence/ EOL: Multiple Devices 10/Nov/2020.pdf
3D Drawings: ABDF(VC)TCXO.pdf.pdf
Environmental Information: Abracon REACH.pdf

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

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Common Countries Logistic Time Reference
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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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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