18QHTF21-6.3625-PD

Overview

The 18QHTF21-6.3625-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 6.3625 MHz and utilizes LVCMOS output logic. The device requires a 1.8V supply voltage and features a power-down function for standby mode control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes power-down functionality for energy management
• Provides LVCMOS output signal compatibility

Applications

• Battery-powered portable devices
• General-purpose clock generation
• Standard timing applications requiring low voltage

Procurement Notes

Verify the specific ordering suffix to ensure correct configuration. Confirm that the required frequency tolerance and load capacitance match the target circuit design requirements before finalizing procurement decisions.

Selection Notes

Select this component when a 6.3625 MHz clock source is required with LVCMOS interface compatibility. Ensure the system design accommodates the 1.8V supply rail and provides necessary control signals for the power-down pin functionality.

Part Context

This part belongs to the QHTF series of surface-mount oscillators from Mercury Electronic. The series offers various frequencies and voltages, utilizing quartz resonator technology for stable timing performance in consumer and industrial electronics.

Replacement Considerations

Check the 18QHTF21-7.1640625-PD for similar form factor and voltage specifications if frequency differences are acceptable.