18QHTF21-117.9648-OE

Overview

The 18QHTF21-117.9648-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 117.9648 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes enable/disable control capabilities. 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 logic for digital interface compatibility
• Features integrated enable and disable functionality for power management
• Utilizes a small form factor 4-SMD no lead package design

Applications

• Digital signal processing systems
• Communication equipment clocking
• Embedded system timing references

Procurement Notes

Verify the specific suffix OE against official Mercury Electronics documentation to confirm exact electrical tolerances and pinout configurations. Ensure the ordering part number matches the required frequency and voltage specifications precisely before procurement to avoid functional mismatches in the target circuit design.

Selection Notes

Select this component when a 1.8V supply voltage and LVCMOS output are required for space-constrained designs. The 4-SMD package suits automated surface-mount assembly processes. Confirm that the 117.9648 MHz frequency aligns with the system clock requirements and that the enable feature integrates with the host controller's power sequencing strategy.

Part Context

This oscillator belongs to the QHTF series from Mercury Electronics, which specializes in quartz frequency control products. The company has decades of experience in Taiwan manufacturing these components. The series typically offers various frequencies and voltages within standardized SMD packages for industrial and consumer electronics.

Replacement Considerations

Direct substitutes include other 117.9648 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pin compatibility and electrical parameters such as load capacitance and drive strength before substitution to ensure circuit stability.