18QHTF21-43.680-OE

Oscillators Overview

The 18QHTF21-43.680-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 43.68 MHz and utilizes LVCMOS output logic levels. The device supports a supply voltage range that includes 1.8V operation and features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package designed for surface-mount assembly.

Oscillators Feature Summary

• Supports enable/disable functionality for power optimization
• Utilizes LVCMOS output interface for digital compatibility
• Designed for surface-mount applications with no lead construction

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Oscillators Procurement Notes

Verify the specific operating voltage requirements against your system design to ensure compatibility with the 1.8V enable feature. Confirm that the LVCMOS output levels match the input thresholds of the receiving component. Ensure the PCB footprint aligns with the 4-SMD, No Lead package dimensions provided in the official datasheet to guarantee proper soldering and mechanical stability during assembly processes.

Oscillators Selection Notes

Select this component when a precise 43.68 MHz reference is required with low power consumption capabilities. The enable pin allows for dynamic power control, making it suitable for battery-operated devices. Consider the LVCMOS interface for direct connection to standard digital logic families without additional level shifting components, simplifying the overall circuit design.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics XO series, which focuses on standard frequency control solutions. The manufacturer specializes in quartz-based frequency products, including crystals and oscillators, leveraging decades of experience in Taiwan's electronics industry. This specific model represents a compact solution for modern embedded applications requiring reliable clock signals.

Oscillators Replacement Considerations

Direct substitutes include other 43.68 MHz LVCMOS oscillators from Mercury Electronics such as the 18QHTF21-50.256-OE if frequency adjustment is acceptable, or similar packages from other manufacturers ensuring identical pinout and electrical characteristics.