18QHTF21-7.9875-OE

Overview

The 18QHTF21-7.9875-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 7.9875 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an Enable/Disable control feature for power management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Features enable/disable functionality for active power control
• Designed as a standard crystal oscillator for timing applications

Applications

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

Procurement Notes

Verify the specific suffix OE against the manufacturer's current datasheet to confirm the enable/disable pin configuration and electrical characteristics. Ensure the 1.8V supply requirement aligns with the target circuit design before procurement.

Selection Notes

Select this component when a 7.9875 MHz reference is required with low-voltage operation. Consider the 4-SMD package size for board space constraints. Compare against other variants in the QHTF21 series if different supply voltages or output types are needed.

Part Context

This part belongs to the QHTF21 series of surface-mount oscillators from Mercury Electronics. The series typically offers various frequencies and voltage options within a standardized small footprint, providing flexibility for diverse electronic designs requiring stable clock signals.

Replacement Considerations

Direct substitutes include the 25QHTF21-7.9875-OE for 2.5V operation or other frequency variants within the same package family, provided the electrical specifications match the application requirements.