18QHTF21-18.560-PD

Oscillators Overview

The 18QHTF21-18.560-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 18.56 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning with a supply voltage of 1.8V. It features a power-down capability, allowing the oscillator to enter a standby mode when not in active use to conserve energy. The component is housed in a compact 4-SMD, No Lead package with dimensions of 2.00mm x 1.60mm.

Oscillators Feature Summary

• Supports LVCMOS output interface for digital signal compatibility
• Includes power-down functionality for standby mode operation
• Designed for low-voltage 1.8V supply systems

Oscillators Applications

• Low-power embedded systems requiring precise timing
• Portable electronic devices utilizing 1.8V logic levels
• Communication modules needing standard XO frequency references

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 package footprint matches your PCB layout constraints. Check for any specific reflow soldering profile recommendations provided in the official datasheet to ensure reliable assembly and long-term performance.

Oscillators Selection Notes

Select this component when a standard frequency reference is required at 18.56 MHz with low power consumption capabilities. The LVCMOS output makes it suitable for direct interfacing with digital logic circuits operating at 1.8V. Consider the power-down feature if battery life or thermal management is a critical constraint in the application environment compared to continuous-operation oscillators.

Oscillators Part Context

Mercury Electronics Ind. Co. Ltd has been manufacturing frequency control products since 1973 and is recognized as a pioneer in the quartz crystal industry in Taiwan. The 18QHTF21 series represents their surface-mount oscillator offerings, designed to provide stable frequency generation in compact form factors suitable for modern electronics manufacturing trends.

Oscillators Replacement Considerations

Cross-reference with other 18.56 MHz LVCMOS oscillators in 4-SMD packages from Mercury Electronics. Verify electrical compatibility including voltage, current draw, and pin configuration before substituting.