18QHTF21-73.195-PD

Overview

The 18QHTF21-73.195-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind., Co., Ltd. It operates at a nominal frequency of 73.195 MHz with LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby power-down function. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount applications.

Feature Summary

• Standard XO configuration with LVCMOS output
• Integrated standby power-down capability
• Compact 4-SMD no-lead surface mount package

Applications

• General timing clock generation
• Digital signal processing systems
• Communication equipment

Procurement Notes

Verify the specific datasheet for exact electrical parameters including frequency stability, load capacitance, and drive level requirements. Confirm that the 1.8V supply voltage aligns with your system design. Ensure the 4-SMD package footprint matches your PCB layout constraints before finalizing procurement.

Selection Notes

Select this component when a precise 73.195 MHz clock source is required with low-power standby functionality. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the operating temperature range and package dimensions to ensure suitability for the target application environment.

Part Context

This part belongs to the 18QHTF21 series of standard crystal oscillators from Mercury Electronics. The series offers various frequencies with consistent LVCMOS outputs and standby features. The manufacturer specializes in quartz crystals and timing solutions, providing reliable frequency control components for electronic circuits.

Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical pinouts and specifications but different frequencies, such as 18QHTF21-80.000-PD or 18QHTF21-51.200-PD, provided the frequency difference is acceptable for the application.