18QHTF21-43.350-OE

Oscillators Overview

The 18QHTF21-43.350-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 43.35 MHz and utilizes LVCMOS output 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, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

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

Oscillators Applications

• Timing and clock signal generation in electronic devices
• Digital circuit synchronization
• Communication system clock sources

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions specified in the official datasheet to guarantee proper soldering and mechanical stability during assembly.

Oscillators Selection Notes

Select this component when a low-voltage 1.8V operation is required alongside a standard LVCMOS output format. The enable/disable feature makes it suitable for battery-powered or power-sensitive designs where dynamic clock gating is necessary. Consider the 43.35 MHz frequency specifically if it matches the system clock input requirements of the downstream integrated circuits.

Oscillators Part Context

This part belongs to the 18QHTF21 series of crystal oscillators from Mercury Electronics. The series typically offers various frequency options within a standardized small outline package. The manufacturer has a history of producing quartz-based frequency control products, positioning this component as a reliable timing solution for consumer and industrial electronics requiring stable clock signals.

Oscillators Replacement Considerations

Direct substitutes include other 43.35 MHz XO models with identical 1.8V LVCMOS specifications and 4-SMD packages. Verify pinout compatibility and electrical parameters such as phase noise and jitter before substitution. Alternative frequencies may require retiming the entire system architecture.