18QHTF21-8.064-OE

Overview

The 18QHTF21-8.064-OE is a crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 8.064 MHz and utilizes LVCMOS output signaling. 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 with dimensions of 3.2x2.5 mm.

Feature Summary

• LVCMOS output interface for standard digital logic compatibility
• Integrated enable and disable functionality for power management
• Compact surface-mount package design suitable for space-constrained applications

Applications

• General clock signal generation in electronic circuits
• Embedded systems requiring precise timing references
• Portable devices utilizing low-voltage operation

Procurement Notes

Verify the specific ordering part number against official Mercury Electronics documentation to ensure correct frequency and package specifications. Confirm that the OE suffix aligns with required enable/disable features. Cross-reference manufacturer datasheets for electrical characteristics before integration into designs.

Selection Notes

Select this component when an 8.064 MHz clock source is required with 1.8V operation. Ensure the 3.2x2.5 mm footprint fits the PCB layout. Verify LVCMOS compatibility with downstream logic levels. Consider thermal and environmental ratings specified in the official datasheet for the operating environment.

Part Context

This oscillator belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a small SMD form factor. The series supports LVCMOS outputs and enable controls, targeting modern portable and industrial electronics requiring reliable timing sources in minimal space.

Replacement Considerations

Direct substitutes include other 18QHTF21 variants with identical pinout and envelope but different frequencies, such as 18QHTF21-8.300-OE or 18QHTF21-28.125-OE, provided the system timing requirements allow for frequency adjustment.