18QHTF21-20.054016-PD

Oscillators Overview

The 18QHTF21-20.054016-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 20.054016 MHz and utilizes LVCMOS output levels. The device functions with a supply voltage of 1.8V and includes a power-down feature controlled via an enable/disable pin. It is housed in a compact 2.0x1.6mm surface-mount package, specifically designed for applications requiring precise timing signals in space-constrained electronic circuits.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V for energy efficiency
• Features LVCMOS output compatibility for digital logic interfaces
• Includes power-down capability to reduce consumption during standby

Oscillators Applications

• Portable consumer electronics requiring precise clocking
• Embedded systems with limited power budgets
• Communication modules needing stable frequency references

Oscillators Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your circuit design specifications before procurement. Ensure that the 1.8V supply rail is stable and within the operational limits defined in the official datasheet. Confirm that the PCB footprint matches the 2.0x1.6mm package dimensions to avoid assembly issues. Cross-reference the part number suffix to ensure the correct packaging format is received.

Oscillators Selection Notes

Select this component when a specific frequency of 20.054016 MHz is required for system synchronization. Consider the 1.8V operating voltage to ensure compatibility with low-power microcontrollers or processors. Evaluate the need for power-down functionality if battery life or thermal management is a critical design constraint. Verify that the LVCMOS output swing meets the input threshold requirements of the receiving logic gates.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which specializes in quartz frequency control products. The manufacturer has decades of experience in Taiwan's crystal industry. This series typically offers standard XO performance in small form factors, catering to modern electronics trends toward miniaturization and lower power consumption while maintaining reliable frequency stability.

Oscillators Replacement Considerations

Direct substitutes must match the 20.054016 MHz frequency, 1.8V supply, LVCMOS output, and 2.0x1.6mm package. Check for equivalent power-down features and similar electrical characteristics. Consult the manufacturer's cross-reference list for verified alternative part numbers that maintain functional parity without requiring circuit redesign.