18QHTF21-16.254-PD

Oscillators Overview

The 18QHTF21-16.254-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 16.254 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports low-voltage operation with integrated standby capability
• Provides stable clock signals via LVCMOS interface
• Utilizes leadless surface-mount packaging for board integration

Oscillators Applications

• Digital signal processing systems
• Communication equipment timing
• Microcontroller clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead footprint matches your PCB layout constraints. Check for any specific operating temperature range limitations defined in the official datasheet to guarantee reliability under your environmental conditions.

Oscillators Selection Notes

Select this component when a 16.254 MHz reference is required with low-power consumption features. The LVCMOS output is suitable for direct interfacing with standard digital logic families. Consider the 1.8V supply constraint if designing for battery-operated or low-voltage portable devices. The leadless package offers space-saving benefits for dense circuit boards compared to traditional through-hole options.

Oscillators Part Context

This model belongs to the 18QHTF21 series of standard oscillators from Mercury Electronics. The series typically offers various frequencies within a small form factor. Mercury Electronic has a long history in quartz crystal manufacturing, positioning this part as a reliable frequency control solution for modern electronic designs requiring precise timing.

Oscillators Replacement Considerations

Direct substitutes include other 16.254 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pin compatibility and electrical specifications such as jitter and phase noise before swapping. Alternative models from different manufacturers may require layout adjustments due to package differences.