18QHTF21-54.39875-OE

Oscillators Overview

The 18QHTF21-54.39875-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a fixed frequency of 54.39875 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

• Supports LVCMOS output logic for digital interface compatibility
• Includes enable/disable functionality for power management
• Utilizes a 4-SMD no-lead surface mount package

Oscillators Applications

• General purpose clock signal generation
• Digital system timing reference
• Embedded electronics requiring standard oscillators

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's current documentation to ensure correct configuration. Confirm that the 1.8V supply requirement aligns with your system design. Check the lead-free status and RoHS compliance details in the official datasheet before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a 54.39875 MHz frequency is required with LVCMOS outputs. Ensure the 1.8V operating voltage matches the target circuitry. Consider the 4-SMD package dimensions for PCB layout constraints. Verify temperature range specifications if operating in extreme environments.

Oscillators Part Context

This part belongs to the Mercury Electronics XO series, which provides standard clock oscillators. The manufacturer has extensive experience in quartz crystal and frequency control products. This specific model represents a standard frequency option within their portfolio of surface-mount oscillators.

Oscillators Replacement Considerations

Consult the official datasheet for direct pin-compatible substitutes. Verify frequency accuracy and load capacitance requirements when considering alternative brands. Ensure the replacement supports the same 1.8V supply and LVCMOS logic levels.