18QHTF21-4.2944-OE

Oscillators Overview

The 18QHTF21-4.2944-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 4.2944 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, supporting a supply voltage of 1.8V. It features integrated enable and disable control functionality to manage power consumption. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.

Oscillators Feature Summary

• LVCMOS output interface for digital logic compatibility
• Integrated enable/disable control mechanism
• Low voltage operation at 1.8V
• Surface-mount 4-SMD no lead package

Oscillators Applications

• General purpose timing circuits
• Embedded system clock sources
• Digital signal processing interfaces
• Microcontroller peripheral synchronization

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 rail is stable within the operational limits specified in the official datasheet. Ensure the PCB footprint matches the 4-SMD no lead package dimensions to prevent assembly errors during production.

Oscillators Selection Notes

Select this component when a precise 4.2944 MHz reference is required for low-power digital systems. The LVCMOS output is appropriate for direct interfacing with standard logic families. Consider the enable pin utility if power management strategies are critical to the application architecture.

Oscillators Part Context

This part belongs to the 18QHTF21 series of standard oscillators from Mercury Electronic Ind. Co., Ltd. The series offers various frequencies tailored for different communication and computing standards. The manufacturer specializes in quartz-based timing solutions with decades of industry experience.

Oscillators Replacement Considerations

Direct substitutes must match the 4.2944 MHz frequency, LVCMOS output type, 1.8V supply voltage, and 4-SMD no lead package. Verify pinout compatibility and electrical specifications with alternative manufacturers before integration.