18QHTF21-22.279-PD

Oscillators Overview

The 18QHTF21-22.279-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 22.279 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby power-down function. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm and a maximum height of 2.00mm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features a low-profile 4-SMD no-lead surface mount package
• Supports active standby mode to reduce power consumption

Oscillators Applications

• Digital signal processing circuits requiring precise timing references
• Embedded systems utilizing 1.8V logic levels
• Compact electronic devices constrained by board space

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power architecture. Ensure the 4-SMD footprint matches the PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a 22.279 MHz clock source is required for 1.8V LVCMOS interfaces. Consider the small form factor for dense layouts. Evaluate the standby feature if power management is critical. Compare against other Mercury oscillators in the 18QHTF series for alternative frequencies or voltage options.

Oscillators Part Context

This part belongs to the 18QHTF series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies and voltages in a consistent 4-SMD package. Mercury Electronics specializes in quartz crystals and timing components, providing reliable frequency control solutions for consumer and industrial electronics.

Oscillators Replacement Considerations

Direct substitutes within the same series include models with identical package and voltage but different frequencies, such as 18QHTF21-51.200-PD or 18QHTF21-18.1059-PD. Cross-referencing requires matching the LVCMOS output type and 1.8V supply requirement.