18QHTF21-13.125225-OE

Overview

The 18QHTF21-13.125225-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 13.125225 MHz and utilizes LVCMOS output logic levels. 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 suitable for surface mount applications.

Feature Summary

• Supports enable and disable functionality for power management
• Utilizes LVCMOS output interface for digital compatibility
• Designed as a standard XO (crystal oscillator) unit

Applications

• General purpose clock signal generation
• Embedded system timing references
• Digital circuit synchronization

Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your specific circuit design before ordering. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no lead package footprint matches your PCB layout constraints to avoid assembly issues during manufacturing.

Selection Notes

Choose this component when a precise 13.125225 MHz reference is required with low voltage operation. Consider the enable pin feature if dynamic power saving is necessary. Verify that the LVCMOS output swing is compatible with the input thresholds of the connected logic devices to ensure reliable signal integrity across operating conditions.

Part Context

This part belongs to the Mercury Electronics 18QHTF series of surface mount oscillators. The series typically offers various frequencies and voltage options within a standardized small form factor. It represents a standard solution for applications requiring stable clock signals without the complexity of differential outputs or spread spectrum features found in other product lines.

Replacement Considerations

Direct substitutes must match the 13.125225 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check datasheets for equivalent parts from other manufacturers ensuring identical pinout and electrical characteristics to guarantee drop-in replacement capability.