18QHTF21-81.100-OE

Overview

The 18QHTF21-81.100-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 81.1 MHz. It utilizes LVCMOS output logic and functions with a 1.8V supply voltage. The component features an enable/disable control function for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications in electronic circuits requiring precise timing signals.

Feature Summary

• Supports enable and disable control functionality for power optimization
• Delivers LVCMOS output logic levels
• Operates on a 1.8V supply voltage

Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Procurement Notes

Verify the exact part number suffix against official Mercury Electronics documentation to confirm the specific package variant and electrical characteristics. Ensure that the 1.8V supply requirement aligns with your target circuit design before procurement. Cross-reference the datasheet for thermal and mechanical specifications to guarantee compatibility with your assembly process.

Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside standard LVCMOS interface compatibility. The enable/disable feature makes it suitable for battery-powered or power-sensitive designs. Confirm that the 81.1 MHz frequency matches the system clock requirements and that the 4-SMD no-lead package fits the available PCB footprint constraints.

Part Context

This oscillator belongs to the Mercury Electronics TF21 series, which provides various frequency options in small form factors. The series is designed for general-purpose timing applications where size and power consumption are critical considerations. It complements other components in the manufacturer's portfolio of quartz crystals and oscillators.

Replacement Considerations

Publicly confirmed substitute part numbers for this specific model are not available in the provided source data. Verify compatibility with alternative oscillators by matching frequency, voltage, output logic, and package dimensions through official manufacturer cross-reference tools.