18QHTF21-44.336667-PD

Oscillators Overview

The 18QHTF21-44.336667-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 44.336667 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and includes a standby or power-down function. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby mode capability for power management
• Utilizes a leadless SMD package for surface-mount integration

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the official datasheet before procurement. Confirm that the 1.8V supply voltage aligns with the target system design. Ensure the 4-SMD no-lead package dimensions fit the PCB footprint constraints. Check for any specific ordering suffixes that may affect availability or specifications.

Oscillators Selection Notes

Select this component when a 44.336667 MHz clock source is required with low voltage operation. Consider the LVCMOS output swing compatibility with downstream logic families. Evaluate the thermal performance and operating temperature range to ensure reliability under expected environmental conditions. Verify that the standby feature meets power consumption goals during idle states.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series typically offers various frequencies within a standard form factor. The 'PD' suffix likely indicates a specific packaging or handling variant, though functional differences are not explicitly defined in available public data. It is distinct from other series with different voltage or package options.

Oscillators Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching frequency, voltage, package, and output logic. Consult manufacturer catalogs for direct equivalents or verify compatibility with generic XO replacements based on electrical parameters.