18QHTF21-28.2244-OE

Oscillators Overview

The 18QHTF21-28.2244-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 28.2244 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and includes enable/disable functionality for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications. The component supports an operating temperature range suitable for industrial environments, ensuring reliable timing performance in electronic circuits requiring precise clock signals.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable and disable control for power optimization
• Compact 4-SMD no-lead surface mount package design

Oscillators Applications

• General purpose clock signal generation in embedded systems
• Timing reference for microcontrollers and processors
• Data communication interfaces requiring stable clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Ensure the 1.8V supply voltage aligns with your system's power rails. Confirm that the enable/disable pin configuration matches your control logic. Check the operating temperature range specifications to ensure suitability for your environmental conditions. Always refer to the official datasheet for final electrical characteristics and mechanical dimensions.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside LVCMOS compatibility. The enable/disable feature makes it suitable for battery-powered or power-sensitive applications. Consider the 4-SMD package size for space-constrained PCB layouts. Evaluate the frequency stability needs against the standard oscillator specifications provided in the documentation. Ensure the manufacturing source is Mercury Electronics Ind. Co. Ltd for authentic parts.

Oscillators Part Context

This model belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and 1.8V operation. These components are part of Mercury's broader portfolio of quartz crystals and timing solutions, established since 1973. The series is designed for general electronic applications requiring reliable clock signals in a small form factor.

Oscillators Replacement Considerations

Direct substitutes must match the 28.2244 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify equivalent enable/disable functionality and operating temperature ranges. Cross-reference with other manufacturers offering similar SMD oscillators if availability is an issue. Ensure pinout compatibility for direct replacement without PCB redesign.