18QHTF21-38.888-OE

Oscillators Overview

The 18QHTF21-38.888-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 38.888 MHz and utilizes LVCMOS output logic. The device is designed for a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Standard crystal oscillator design with quartz type construction

Oscillators Applications

• General purpose digital timing circuits
• Embedded systems requiring stable clock sources
• Consumer electronics with low voltage requirements

Oscillators Procurement Notes

Verify the exact frequency specification against official datasheets, as similar part numbers may differ slightly. Confirm the 1.8V supply voltage requirement and LVCMOS output compatibility with the target circuit design. Ensure the 4-SMD no-lead package dimensions match the PCB footprint constraints before ordering.

Oscillators Selection Notes

Select this component when a 38.888 MHz clock signal is required with LVCMOS outputs. The 1.8V operating voltage makes it suitable for modern low-power digital designs. The enable/disable feature allows for power management integration. Verify thermal performance and load capacitance requirements against the specific application needs.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF series of surface-mount oscillators. The series typically includes various frequencies and voltage options. Mercury Electronics is a established manufacturer of frequency control products, including crystals and oscillators, with a focus on quartz-based solutions for industrial and consumer markets.

Oscillators Replacement Considerations

Direct substitutes include other 38.888 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Ensure voltage levels and pin configurations match. Cross-reference with Mercury's own variants like the 18QHTF21-37.888-OE if frequency tolerance allows.