18QHTF21-45.1854-OE

Oscillators Overview

The 18QHTF21-45.1854-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 45.1854 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes 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 clock signals.

Oscillators Feature Summary

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

Oscillators Applications

• General purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Oscillators Procurement Notes

Verify the exact frequency specification of 45.1854 MHz against system requirements. Confirm the 1.8V supply voltage compatibility with the target circuit design. Ensure the LVCMOS output logic levels match the receiving component inputs. Check the 4-SMD no lead package dimensions for PCB footprint alignment. Validate the enable/disable pin configuration if active control is required.

Oscillators Selection Notes

Select this component when a specific 45.1854 MHz frequency is mandatory for the application. Consider the 1.8V operating voltage constraint during power budgeting. Evaluate the LVCMOS output swing against load capacitance requirements. Assess the physical space constraints for the 4-SMD package size. Determine if the enable/disable feature provides necessary power savings.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of standard crystal oscillators. The series typically offers various frequencies within a compact SMD form factor. Mercury Electronics specializes in quartz crystal and oscillator manufacturing, providing frequency control solutions for industrial and consumer electronics markets.

Oscillators Replacement Considerations

Direct substitutes must match the 45.1854 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify pinout compatibility for the enable/disable function. Cross-reference thermal and electrical specifications with alternative manufacturers' datasheets.