18QHTF21-40.4333-OE

Oscillators Overview

The 18QHTF21-40.4333-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 40.4333 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable and disable functionality for power management
• Surface-mount 4-SMD no lead package design

Oscillators Applications

• General purpose clock generation
• Digital signal processing systems
• Communication equipment timing

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD footprint matches your PCB layout constraints. Check for any specific operating temperature range limitations required by your application environment to guarantee reliable performance.

Oscillators Selection Notes

Select this component when a 40.4333 MHz clock source is required with low-voltage operation. Consider the LVCMOS output level for direct interfacing with compatible digital logic families. Evaluate the enable/disable feature if dynamic power saving is necessary. Compare physical dimensions against available board space to ensure the 4-SMD package fits within the designated area without interference.

Oscillators Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronic Ind. Co. Ltd, a manufacturer established in Taiwan specializing in frequency control products. The series typically offers various frequencies within a standardized small form factor. Mercury Electronic has a long history in quartz crystal manufacturing, providing industry-standard timing solutions.

Oscillators Replacement Considerations

Compatible substitutes include other 40.4333 MHz LVCMOS oscillators in 4-SMD packages from manufacturers such as Epson or SiTime, provided pinouts and electrical specifications match exactly.