18QHTF21-75.4375-OE

Overview

The 18QHTF21-75.4375-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 75.4375 MHz and utilizes LVCMOS output logic 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, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports LVCMOS output signal compatibility
• Features integrated enable and disable control functionality
• Operates with a 1.8V supply voltage

Applications

• Digital signal processing systems
• Communication equipment timing circuits
• Embedded system clock generation

Procurement Notes

Verify the specific ordering suffix to ensure correct output type and tolerance specifications. Confirm that the 1.8V supply requirement aligns with the target circuit design. Check the package dimensions against the PCB footprint to ensure proper mechanical fit. Validate the operating temperature range against environmental conditions. Request the official datasheet for detailed electrical characteristics before finalizing procurement.

Selection Notes

Select this component when a 75.4375 MHz clock source is required with low voltage operation. Ensure the application can accommodate the 1.8V supply rail. Consider the enable pin functionality if power saving during idle states is necessary. Verify that the LVCMOS output swing matches the input requirements of the downstream logic devices. Evaluate the 4-SMD package size constraints within the assembly layout.

Part Context

This part belongs to the 18QHTF series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options. The 'OE' suffix may indicate specific packaging or testing configurations. Mercury Electronics specializes in quartz crystal and oscillator manufacturing, providing frequency control solutions for industrial and consumer electronics markets.

Replacement Considerations

Direct substitutes must match the 75.4375 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD No Lead package. Verify pinout compatibility and thermal characteristics. Cross-reference with other manufacturers offering similar ultra-low current oscillators. Ensure the replacement maintains the same enable/disable functionality.