18QHTF21-40.699-OE

Oscillators Overview

The 18QHTF21-40.699-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 40.699 MHz and utilizes an LVCMOS output interface. 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, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

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

Oscillators Applications

• General purpose clock signal generation
• Digital system timing references
• Embedded electronics requiring low voltage operation

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout specifications to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a stable 40.699 MHz reference is required in space-constrained designs. The LVCMOS output ensures direct interfacing with standard logic families without additional buffering. Consider the enable pin utility for power-sensitive applications where dynamic clock gating is necessary to reduce overall system energy consumption.

Oscillators Part Context

This oscillator belongs to Mercury Electronics' series of quartz-based frequency control products. The manufacturer has decades of experience in producing crystals and oscillators. This specific model represents a standard XO variant designed for reliable performance in consumer and industrial electronic devices requiring precise clock synchronization.

Oscillators Replacement Considerations

Direct substitutes must match the 40.699 MHz frequency, LVCMOS output type, 1.8V supply voltage, and 4-SMD no-lead package dimensions. Verify equivalent electrical characteristics such as phase noise and jitter specifications to ensure functional compatibility in the target application.