18QHTF21-22.288-PD

Oscillators Overview

The 18QHTF21-22.288-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 22.288 MHz with LVCMOS output logic. The device requires a 1.8V supply voltage and features a standby or power-down function. It is housed in a compact 4-SMD, no lead package with dimensions of 2.0x1.6 mm.

Oscillators Feature Summary

• Supports standby and power-down modes for energy management
• Utilizes LVCMOS output logic for digital interface compatibility
• Designed as a standard crystal oscillator for clock generation

Oscillators Applications

• General purpose clock signal generation
• Embedded systems requiring low voltage operation
• Portable electronic devices due to small form factor

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Ensure the 1.8V supply rail stability meets the oscillator specifications. Confirm that the 2.0x1.6 mm footprint aligns with the PCB layout constraints. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure component integrity during assembly.

Oscillators Selection Notes

Select this component when a precise 22.288 MHz clock source is required within a constrained space. The 1.8V operating voltage makes it suitable for modern low-power digital circuits. Consider the standby feature if power conservation is critical. Compare against other models in the QHTF series for alternative frequencies or voltage levels if the current specification does not fully match the system requirements.

Oscillators Part Context

This part belongs to the QHTF series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequencies and voltages. The 'PD' suffix indicates the inclusion of a power-down control pin. This model specifically targets applications needing a stable clock reference in a minimal footprint size.

Oscillators Replacement Considerations

Direct substitutes may include other 22.288 MHz LVCMOS oscillators in a 4-SMD no-lead package with 1.8V operation. Verify pinout compatibility and electrical parameters such as phase noise and jitter before substitution. Cross-reference with Mercury Electronics part numbers like 18QHTF21-22.288 without the PD suffix if power-down functionality is not needed.