18QHTF21-73.3337-PD

Overview

The 18QHTF21-73.3337-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 73.3337 MHz with an LVCMOS output logic level. The device requires a 1.8V supply voltage and features a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby and power-down functionality
• Utilizes LVCMOS output interface

Applications

• General-purpose clock generation
• Digital signal processing systems
• Embedded controller timing

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your circuit design before procurement. Confirm that the 4-SMD no-lead package dimensions align with your PCB footprint. Ensure the 1.8V supply rail stability meets the oscillator's operational specifications to maintain signal integrity.

Selection Notes

Select this component when a precise 73.3337 MHz reference is required in space-constrained designs. Consider the LVCMOS compatibility with downstream digital logic. Evaluate the power-down feature if system-level energy efficiency is a priority compared to continuous oscillation alternatives.

Part Context

This part belongs to the 18QHTF21 series of surface-mount crystal oscillators from Mercury Electronics. The series typically offers various frequencies within a small form factor. The 'PD' suffix indicates the inclusion of power-down control capabilities, distinguishing it from standard continuous-operation variants in the same package family.

Replacement Considerations

Direct substitutes include other 18QHTF21 series parts with identical pinout and voltage but different frequencies, such as 18QHTF21-6.000-PD or 18QHTF21-51.200-PD, provided the frequency difference is acceptable for the application.