18QHTF21-22.76649-OE

Oscillators Overview

The 18QHTF21-22.76649-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 22.76649 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise clock signals.

Oscillators Feature Summary

• Integrates enable and disable functionality for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Employes a leadless SMD package for automated assembly

Oscillators Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded microcontroller timing sources

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure correct voltage and tolerance specifications. Confirm that the OE suffix aligns with the required enable pin configuration and packaging type before finalizing procurement orders to avoid functional mismatches.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside active enable control capabilities. Ensure the system design accommodates the 4-SMD no-lead footprint dimensions and thermal requirements specified in the official mechanical drawing for proper PCB layout integration.

Oscillators Part Context

This model belongs to the H21 series of surface-mount oscillators from Mercury Electronics. The series is characterized by small form factors and stable frequency generation. The part number indicates a specific frequency variant within the broader oscillator product line offered by the manufacturer.

Oscillators Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify that any alternative maintains identical LVCMOS logic levels, 1.8V supply requirements, and physical footprint dimensions to ensure board-level compatibility without redesign.