18QHTF21-74.125-OE

Overview

The 18QHTF21-74.125-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 74.125 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package suitable for surface mount applications.

Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable and disable control functionality
• Surface mount 4-SMD no lead package design

Applications

• General clock signal generation
• Digital system timing references
• Embedded electronics circuits

Procurement Notes

Verify the specific part number against official Mercury Electronics documentation to ensure accuracy. Confirm that the 1.8V supply requirement and LVCMOS logic levels match your circuit design specifications before procurement. Check for any specific ordering suffixes or variants if different frequencies are required.

Selection Notes

Select this component when a 74.125 MHz clock source with LVCMOS outputs is required. Ensure the design accommodates the 1.8V operating voltage and the physical dimensions of the 4-SMD package. Consider the enable/disable feature if power management during idle states is necessary for the application.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various standard frequencies. The manufacturer has a long history in quartz crystal production, providing reliable frequency control products. This specific model represents a standard XO configuration within their portfolio.

Replacement Considerations

Direct substitutes include other models in the 18QHTF21 series with identical pinouts and electrical characteristics but different frequencies, such as 18QHTF21-74.500-OE or 18QHTF21-67.563-OE, provided the frequency difference is acceptable for the system.