18QHTF21-21.444215-OE

Oscillators Overview

The 18QHTF21-21.444215-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 21.444215 MHz and utilizes LVCMOS output logic levels. The device is designed for a supply voltage of 1.8V and features an Enable/Disable control function to manage power states. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount assembly processes.

Oscillators Feature Summary

• LVCMOS output interface
• Enable/Disable control capability

Oscillators Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system clock sources

Oscillators Procurement Notes

Verify the exact part number suffix against official Mercury Electronics documentation to confirm the specific control function associated with the OE designation. Ensure compatibility with the required 1.8V supply voltage and LVCMOS load requirements before integration into the design.

Oscillators Selection Notes

Select this component when a precise 21.444215 MHz clock source is required with low-voltage operation. Consider the Enable/Disable feature if power management during inactive periods is necessary. Verify that the 4-SMD package footprint aligns with the PCB layout constraints.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics XO series, which provides frequency control solutions. The company has a history of manufacturing quartz crystals and oscillators, positioning itself as a pioneer in the Taiwan quartz industry since 1973.

Oscillators Replacement Considerations

No public confirmed substitute part numbers are available in the provided data.