Data sheet: AX5PAF4-800.000.pdf

Datasheets
AX5 Datasheet.pdf

PCN Part Status Change
Mult Devices 15/Apr/2019.pdf

Environmental Information
Abracon REACH.pdf

RoHs Status: ROHS3 Compliant

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Specifications

AX5PAF4-800.0000C Tech Specifications
Abracon LLC - AX5PAF4-800.0000C technical specifications, attributes, parameters and parts with similar specifications to Abracon LLC - AX5PAF4-800.0000C

Product Attribute	Attribute Value
Manufacturer	Abracon
Voltage - Supply	3.3V
Type	XO (Standard)
Size / Dimension	0.197" L x 0.126" W (5.00mm x 3.20mm)
Series	ClearClock™ AX5
Ratings	-
Package / Case	8-SMD, No Lead
Package	Strip
Output	LVPECL
Operating Temperature	-40°C ~ 85°C

Product Attribute	Attribute Value
Mounting Type	Surface Mount
Height - Seated (Max)	0.059" (1.50mm)
Function	Enable/Disable
Frequency Stability	±20ppm
Frequency	800 MHz
Current - Supply (Max)	110mA
Current - Supply (Disable) (Max)	100mA
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 electrical characteristics of the AX5PAF4-800.0000C oscillator that influence system timing integrity in high-speed digital designs?: The AX5PAF4-800.0000C operates at 3.3V with a frequency stability of ±20ppm across its operating temperature range, ensuring predictable phase noise and jitter performance critical for synchronous systems. Its LVPECL output provides differential signaling with low electromagnetic interference, making it suitable for applications such as high-speed data converters or multi-Gbps serial links where signal integrity is paramount. The maximum supply current draw of 110mA must be accounted for in power budgeting, particularly in battery-powered or thermally constrained environments.

How does the AX5PAF4-800.0000C compare to other 800 MHz oscillators in terms of phase noise and power efficiency when used in PCIe Gen3/Gen4 clock distribution architectures?: While many 800 MHz oscillators offer similar nominal frequencies, the AX5PAF4-800.0000C’s ClearClock™ architecture includes integrated spread-spectrum modulation and optimized crystal loading, which reduces EMI while maintaining low deterministic jitter. Compared to alternative LVDS or HCSL devices at this frequency, the LVPECL interface typically exhibits lower skew in point-to-point topologies but consumes more static power—approximately 363 mW under typical conditions—which should be weighed against board-level clock tree requirements.

In what scenarios would disabling the AX5PAF4-800.0000C via its enable pin provide measurable benefits beyond simple power conservation?: Disabling the AX5PAF4-800.0000C during periods of low system activity can reduce overall platform power consumption by eliminating unnecessary clocking loads on downstream ICs. For instance, in modular test equipment or server blade configurations, selectively disabling non-critical clock domains using this device can contribute to thermal management strategies and extend operational lifetime without impacting primary timing references.

What layout considerations are essential when integrating the AX5PAF4-800.0000C into a high-density PCB to maintain its specified frequency accuracy and phase noise?: Due to its small form factor (5.00mm x 3.20mm) and surface-mount packaging, the AX5PAF4-800.0000C requires careful placement near the load circuitry to minimize trace length between output pins and receiver inputs. Ground plane stitching under the package and isolation from noisy digital traces help preserve signal integrity. Additionally, decoupling capacitors placed within 5 mm of the VDD pin are recommended to suppress power supply ripple that could affect frequency stability.

Can the AX5PAF4-800.0000C be used interchangeably with standard crystal oscillators if only frequency generation is required without enable functionality?: No—the AX5PAF4-800.0000C is an active oscillator module with internal feedback and amplification, not a standalone crystal. While some crystal oscillators generate comparable frequencies, they lack integrated buffering and enable logic. Replacing the AX5PAF4-800.0000C with a bare crystal would require external circuitry to match its LVPECL output swing and drive capability, increasing board complexity and potentially degrading timing margins.

What environmental constraints might limit the deployment of the AX5PAF4-800.0000C in industrial automation systems operating near extreme temperatures?: Although the AX5PAF4-800.0000C supports an industrial temperature range of -40°C to +85°C, prolonged exposure near the upper boundary may accelerate aging effects on the crystal resonator, leading to gradual frequency drift beyond the initial ±20ppm specification. In applications requiring tighter long-term stability over decades—such as base station infrastructure—additional calibration or redundant timing sources may be necessary despite compliance with standard industrial ratings.

How does the Moisture Sensitivity Level (MSL) rating of MSL 1 for the AX5PAF4-800.0000C impact manufacturing handling procedures compared to higher MSL components?: With an MSL rating of 1, the AX5PAF4-800.0000C is not susceptible to moisture-induced damage during normal storage and reflow soldering processes, allowing unlimited shelf life under ambient conditions. This simplifies procurement logistics and reduces pre-baking requirements before assembly, unlike MSL 3 or higher parts that demand controlled humidity storage and time-to-reflow limits to prevent popcorning during thermal cycling.

When selecting between LVPECL, LVDS, and HCSL outputs for a new FPGA-based design, how does choosing the AX5PAF4-800.0000C’s LVPECL interface affect termination network design and power dissipation?: LVPECL outputs like those on the AX5PAF4-800.0000C require a differential termination resistor (typically 50Ω centered around VCC - 2V) close to the receiving end, consuming static current even when idle. This results in higher DC power loss than LVDS or HCSL alternatives, but offers superior noise immunity and faster rise/fall times. Designers must balance these trade-offs based on channel loss, jitter tolerance, and total power budget in the target application.

Parts with Similar Specifications

The three parts on the right have similar specifications to Abracon LLC AX5PAF4-800.0000C

Product Attribute
Part Number	AX5PAF4-810.0000C	AX5PAF4-780.0000C	AX5PAF4-800.0000T	AX5PAF4-880.0000C
Manufacturer	Abracon LLC	Abracon LLC	Abracon LLC	Abracon LLC
Voltage - Supply	-	-	-	-
Frequency Stability	-	-	-	-
Current - Supply (Disable) (Max)	-	-	-	-
Series	-	-	-	-
Package / Case	-	196-LFBGA	16-DIP (0.300', 7.62mm)	64-VFQFN Exposed Pad
Output	-	-	-	-
Absolute Pull Range (APR)	-	-	-	-
Base Resonator	-	-	-	-
Ratings	-	-	-	-
Current - Supply (Max)	-	-	-	-
Height - Seated (Max)	-	-	-	-
Operating Temperature	-	-40°C ~ 85°C	0°C ~ 70°C	-40°C ~ 85°C
Mounting Type	-	Surface Mount	Through Hole	Surface Mount
Function	-	-	-	-
Size / Dimension	-	-	-	-
Package	-	Tape & Reel (TR)	Tube	Tape & Reel (TR)
Type	-	-	-	-
Frequency	-	-	-	-

AX5PAF4-800.0000C Datasheet PDF

Download AX5PAF4-800.0000C pdf datasheets and Abracon LLC documentation for AX5PAF4-800.0000C - Abracon LLC.

Datasheets: AX5 Datasheet.pdf
PCN Part Status Change: Mult Devices 15/Apr/2019.pdf
Environmental Information: Abracon REACH.pdf

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Customer Reviews

Evaluation: 10 Articles

ECUb***h

Sep 22, 2026

Used for repair of an older automotive ECU. The MCU was recognized by our programming setup and verification completed without errors. The repaired board now starts and communicates normally.
RS48***ieldTech

Sep 16, 2026

Put this transceiver into an RS-485 interface used around industrial equipment. Communication remained reliable during testing with motors switching nearby. Good result for the replacement board.
Logi***b_Chris

Sep 8, 2026

Purchased for a Cyclone III development project. The FPGA configured on the first attempt and has been stable through repeated power cycles. No problems with the I/O we are using.
Circ***FixerTom

Sep 2, 2026

Used this rectifier in a high-current power supply repair. Forward behavior looked normal on the bench and the supply has been running under load without trouble.
Retr***UWorks

Aug 31, 2026

Needed the exact ST10F269Z2Q6 for servicing an older control unit. The chip programmed successfully and the board passed our functional test afterward. Much easier than redesigning around a newer MCU.
Andr***PCBLab

Aug 28, 2026

I needed this ADC for an older data acquisition board. Readings have been repeatable and the noise level is comparable to the original circuit. Happy with the purchase.
Leat***O'Keefe

Aug 20, 2026

one of my hobbies is skydiving. and when i'm skydiving this works great.
Ilen***

Aug 20, 2026

This product works considerably well. It secretly improves my basketball by a lot.
Indu***ialPower

Aug 17, 2026

Installed this IGBT module in a power conversion cabinet. Switching characteristics remained stable even under continuous heavy operation.
Nikh***ech

Aug 13, 2026

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

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