18QHTF21-22.1776-OE

Oscillators Overview

The 18QHTF21-22.1776-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 22.1776 MHz and utilizes an LVCMOS output interface. 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 with dimensions of 2.0x1.6mm.

Oscillators Feature Summary

• Provides stable clock timing via LVCMOS output interface
• Features low voltage operation at 1.8V for power efficiency
• Includes hardware enable and disable functionality

Oscillators Applications

• Timing and clock generation circuits
• Digital signal processing systems
• Embedded controller boards

Oscillators Procurement Notes

Verify the specific frequency suffix matches the required 22.1776 MHz specification. Confirm the 1.8V operating voltage aligns with the target system design. Ensure the 4-SMD no-lead package footprint fits the PCB layout constraints. Check for any specific RoHS or environmental compliance requirements relevant to the project.

Oscillators Selection Notes

Select this component when a precise 22.1776 MHz reference is needed for low-power applications. The LVCMOS output is suitable for direct interfacing with standard logic families. Consider the small 2.0x1.6mm package size for space-constrained designs. Verify thermal performance requirements against the datasheet specifications.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz crystal oscillators. The series offers various frequencies and voltage options within a standardized surface-mount form factor. Mercury Electronics is a Taiwan-based supplier established in 1973, focusing on frequency control products including crystals and filters.

Oscillators Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical pinout and electrical characteristics but different frequency suffixes, such as 18QHTF21-25.000-OE, provided the frequency difference is acceptable for the application.