18QHTF21-16.601-PD

Oscillators Overview

The 18QHTF21-16.601-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 16.601 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning at 1.8V. It features a compact surface-mount package with dimensions of 2.0x1.6 mm and includes a power-down (standby) control function to manage energy consumption during inactive periods.

Oscillators Feature Summary

• Supports LVCMOS output interface for digital circuit compatibility
• Includes standby mode capability via power-down control
• Utilizes a small form-factor 4-SMD no-lead package

Oscillators Applications

• Embedded systems requiring precise clock signals
• Communication modules needing stable frequency references
• Portable electronic devices prioritizing low power consumption

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your target platform's power rails. Ensure the PCB footprint matches the 2.0x1.6 mm package dimensions to avoid assembly issues. Check for any specific reflow soldering profile recommendations provided in the official datasheet to maintain component integrity.

Oscillators Selection Notes

Select this component when a 16.601 MHz reference is required for LVCMOS-compatible logic families. Consider the 1.8V operating voltage as a primary constraint for power supply design. The choice depends on the necessity for a power-down feature to extend battery life in portable applications. Evaluate the physical space constraints to ensure the 2.0x1.6 mm package fits within the available board area without compromising other components.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series is characterized by its use of quartz crystal technology for high stability. Mercury Electronics is a pioneer in the Taiwan crystal industry, leveraging decades of manufacturing experience. This specific model represents a standard XO variant optimized for modern low-voltage digital applications.

Oscillators Replacement Considerations

Direct substitutes must match the 16.601 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6 mm package. Verify electrical parameters such as phase noise and jitter if critical for the application. Cross-reference pinouts and control signal definitions to ensure functional compatibility.