18QHTF21-16.5625-OE

Oscillators Overview

The 18QHTF21-16.5625-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 16.5625 MHz and utilizes LVCMOS output logic levels. 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 requiring precise timing signals in electronic circuits.

Oscillators Feature Summary

• Supports enable/disable functionality for power optimization
• Utilizes LVCMOS output logic for digital interface compatibility
• Features a leadless SMD package for automated assembly

Oscillators Applications

• Digital signal processing systems requiring clock synchronization
• Communication equipment utilizing LVCMOS interfaces
• Embedded systems with low-voltage power constraints

Oscillators 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 soldering defects during assembly.

Oscillators Selection Notes

Select this component when a stable 16.5625 MHz reference is required for LVCMOS-compatible digital logic. The choice is appropriate for designs prioritizing low power consumption due to the 1.8V operation and enable pin feature. Consider the package size constraints and thermal performance relative to other available oscillator families from the manufacturer.

Oscillators Part Context

This model belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series typically offers various frequency options within a consistent 4-SMD form factor. These components are engineered for general-purpose timing applications where moderate stability and standard logic levels are sufficient for reliable system operation.

Oscillators Replacement Considerations

Direct substitutes must match the 16.5625 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Verify equivalent electrical specifications such as phase noise and jitter if critical to the application. Cross-reference with Mercury Electronics' current product listings for updated part numbers or revised series designations.