18QHTF21-105.000-OE

Overview

The 18QHTF21-105.000-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 105 MHz and utilizes LVCMOS output logic levels. The device is designed for low-voltage applications, functioning with a supply voltage of 1.8V. It features an enable/disable control pin for power management flexibility. The component is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.

Feature Summary

• LVCMOS output interface for digital compatibility
• Integrated enable/disable functionality for power control
• Compact 4-SMD no-lead surface mount package

Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems requiring 105 MHz
• Embedded devices utilizing 1.8V logic families

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply voltage aligns with the system's power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions provided in the official datasheet to prevent assembly issues.

Selection Notes

Select this component when a precise 105 MHz timing source is required within a low-power environment. The LVCMOS output is appropriate for interfacing with standard digital logic inputs. Consider the enable feature if dynamic power saving is necessary during idle periods in the application lifecycle.

Part Context

This oscillator belongs to the Mercury Electronics XO series, which provides standard frequency solutions. The 18QHTF21 prefix indicates a specific form factor and electrical characteristic set within their product line. It serves as a fundamental timing element for synchronizing data transmission and processing operations in modern electronics.

Replacement Considerations

Direct substitutes must match the 105 MHz frequency, 1.8V operating voltage, LVCMOS output type, and 4-SMD no-lead package. Verify pinout compatibility and thermal characteristics before swapping with other manufacturers' offerings.