18QHTF21-63.8975-PD

Overview

The 18QHTF21-63.8975-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 63.8975 MHz. It utilizes LVCMOS output logic and functions with a 1.8V supply voltage. The device features a power-down mode for standby control and is housed in a compact 4-SMD, No Lead package.

Feature Summary

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

Applications

• General-purpose clock generation
• Digital system timing references
• Embedded electronics applications

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 1.8V supply rail is stable and within the operational limits defined in the official datasheet to ensure reliable oscillator performance.

Selection Notes

Select this component when a precise 63.8975 MHz clock source is required in a small form factor. Ensure compatibility with 1.8V logic levels and verify that the 4-SMD package fits the available PCB space constraints.

Part Context

This model belongs to the 18QHTF21 series of surface-mount oscillators from Mercury Electronics. The series offers various frequencies and voltage options, providing standardized solutions for timing needs in consumer and industrial electronic devices requiring compact footprint components.

Replacement Considerations

Check for direct substitutes such as the 18QHTF21-63.8975-OE variant if enable/disable control is preferred over power-down functionality. Verify pinout and electrical specifications match before swapping.