18QHTF21-28.9767-OE

Oscillators Overview

The 18QHTF21-28.9767-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 28.9767 MHz and utilizes LVCMOS output logic. The device supports 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, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic for digital interface compatibility
• Integrated enable/disable control functionality
• Compact 4-SMD no lead surface-mount package

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference for digital systems
• Embedded devices requiring stable frequency sources

Oscillators Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to confirm electrical characteristics and packaging details. Ensure that the selected variant matches the required supply voltage and output logic levels for the target application design.

Oscillators Selection Notes

Select this component when a 28.9767 MHz timing source with LVCMOS outputs is required. Consider the 1.8V supply constraint and the need for an enable pin during system design. Evaluate the 4-SMD footprint dimensions against available PCB space constraints.

Oscillators Part Context

This oscillator belongs to the Mercury Electronics XO series, which provides standard frequency solutions. The 18QHTF21 prefix indicates the specific series within their quartz-based frequency control product line, distinct from TCXOs or VCXOs.

Oscillators Replacement Considerations

Consult official substitution guides for compatible alternatives. Verify that any substitute maintains identical frequency, voltage, and package specifications.