18QHTF21-13.56875-OE

Overview

The 18QHTF21-13.56875-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 13.56875 MHz and utilizes LVCMOS output logic levels. The device is designed for operation with 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 suitable for surface mount applications.

Feature Summary

• LVCMOS output interface
• Enable/Disable control functionality
• 1.8V operating voltage
• Surface mount package

Applications

• General timing circuits
• Embedded systems clocking
• Consumer electronics

Procurement Notes

Verify the specific part number against official Mercury Electronics documentation to ensure accuracy. Confirm that the 1.8V supply requirement and LVCMOS output compatibility match your system design constraints before procurement. Check for any specific handling requirements associated with the 4-SMD no lead package format.

Selection Notes

Select this component when a precise 13.56875 MHz clock signal is required with low voltage operation. Ensure the design supports LVCMOS logic levels and provides the necessary enable/disable control signals. Consider the thermal and mechanical characteristics of the 4-SMD no lead package for PCB layout integration.

Part Context

This oscillator belongs to the QHTF series from Mercury Electronics, which specializes in quartz-based frequency control products. The company has a long history in manufacturing crystals and oscillators, positioning itself as a pioneer in the Taiwan frequency-control industry. This series typically offers standard performance for general-purpose timing needs.

Replacement Considerations

Direct substitutes may include other 13.56875 MHz LVCMOS oscillators with 1.8V supply and enable features. Verify pinout compatibility and electrical specifications carefully. No specific alternative part numbers are publicly confirmed for direct replacement.