18QHTF21-14.1456-PD

Oscillators Overview

The 18QHTF21-14.1456-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 14.1456 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 surface-mount package with dimensions of 2.00mm x 1.60mm and a maximum height of 2.00mm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features a standby mode to reduce power consumption during idle periods
• Utilizes a leadless surface-mount package for automated assembly

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for low-voltage digital systems
• Embedded devices requiring compact oscillator solutions

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions to prevent mounting issues. Cross-reference the datasheet for operating temperature ranges to ensure environmental suitability.

Oscillators Selection Notes

Select this component when a precise 14.1456 MHz timing source is required for LVCMOS-compatible logic families. Consider the 1.8V operating voltage constraint and the need for a power-down feature. Evaluate the small form factor against available board space. Compare performance metrics such as phase noise and stability if high-precision timing is critical for the application.

Oscillators Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series offers various frequencies within the standard XO category. The manufacturer specializes in quartz crystals and timing components, providing options for different voltage levels and output types within this package style.

Oscillators Replacement Considerations

Direct substitutes must match the 14.1456 MHz frequency, LVCMOS output, and 1.8V supply. Verify pinout compatibility for the 4-SMD no-lead package. Check equivalent electrical specifications such as drive level and load capacitance to ensure functional interchangeability without circuit modification.