18QHTF21-22.279-OE

Oscillators Overview

The 18QHTF21-22.279-OE 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 functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable and disable functionality for power management
• Surface-mount 4-SMD no lead package design

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific suffix (OE) against manufacturer documentation to confirm exact electrical tolerances and pinout configuration. Ensure the 1.8V supply requirement aligns with target circuit design. Confirm package dimensions match PCB footprint specifications before integration.

Oscillators Selection Notes

Select this component when a 22.279 MHz frequency is required with low-voltage operation. Consider the LVCMOS output level for direct interfacing with compatible logic families. Evaluate the small form factor suitability for space-constrained board layouts.

Oscillators Part Context

This part belongs to the 18QHTF21 series of XO oscillators from Mercury Electronics. The series offers various frequencies with consistent 1.8V operation and LVCMOS outputs. The 18QHTF21-OE variant specifically denotes the 22.279 MHz frequency option within this standardized product line.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 series parts with identical package and electrical characteristics but different frequencies, such as 18QHTF21-48.900-OE or 18QHTF21-6.1679-OE, provided the frequency difference is acceptable for the application.