18QHTF21-44.300-OE

Oscillators Overview

The 18QHTF21-44.300-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 44.3 MHz and utilizes an LVCMOS output interface. The device is designed for low-voltage applications, requiring a 1.8V supply voltage. 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 interface for digital logic compatibility
• 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 exact frequency tolerance and operating temperature range specifications against the official manufacturer datasheet before integration. Confirm that the 1.8V supply voltage aligns with the target system design requirements. Ensure the 4-SMD no-lead package footprint matches the PCB layout guidelines provided by Mercury Electronics. Check for any specific handling or storage instructions related to the component's sensitivity.

Oscillators Selection Notes

Select this component when a precise 44.3 MHz clock source is required for low-power digital circuits. The LVCMOS output ensures compatibility with standard logic families. The enable pin allows for dynamic power management during idle states. Consider the small form factor of the 4-SMD package for space-constrained designs. Verify that the industrial temperature range meets the environmental conditions of the end application.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides stable frequency references for electronic systems. The company specializes in quartz crystals and oscillators, offering various packages and frequencies. The 18QHTF21 series typically targets applications requiring reliable timing signals with low current consumption. This specific model represents a standard configuration within their portfolio.

Oscillators Replacement Considerations

Direct substitutes include other 44.3 MHz LVCMOS oscillators in similar SMD packages from different manufacturers. Ensure equivalent electrical parameters such as supply voltage, output swing, and load capacitance are matched. Verify that the replacement part supports the same enable/disable control scheme if power management is critical.