18QHTF21-45.604-OE

Oscillators Overview

The 18QHTF21-45.604-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 45.604 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, requiring a supply voltage of 1.8V. It features an enable/disable control function to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly on printed circuit boards.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated enable/disable control functionality
• Compact 4-SMD no-lead surface mount package

Oscillators Applications

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

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 specified in the official datasheet to guarantee proper soldering and mechanical stability during operation.

Oscillators Selection Notes

Select this component when a precise 45.604 MHz clock source is required for digital logic interfacing. The LVCMOS output is compatible with standard CMOS input thresholds. Consider the enable pin utility for power management strategies in battery-operated devices. Verify that the operating temperature range meets the environmental conditions of the intended application site.

Oscillators Part Context

This oscillator belongs to the standard XO series from Mercury Electronics, which specializes in quartz-based frequency control products. The manufacturer has decades of experience in Taiwan's quartz industry. This specific model represents a single-frequency solution within their portfolio of surface-mount oscillators designed for consumer and industrial electronics.

Oscillators Replacement Considerations

Direct substitutes include other 45.604 MHz LVCMOS oscillators in 4-SMD packages from different manufacturers, provided electrical parameters match. Cross-reference pinouts and enable logic polarity carefully. Alternative frequencies are not interchangeable without circuit modification.