18QHTF21-28.9767-PD

Oscillators Overview

The 18QHTF21-28.9767-PD is a standard crystal oscillator manufactured by Mercury Electronic 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 a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications.

Oscillators Feature Summary

• Integrates LVCMOS output logic for standard digital interface compatibility
• Features a dedicated standby mode to reduce power consumption during idle periods
• Constructed with quartz-based timing elements for stable frequency generation

Oscillators Applications

• General clock signal generation in electronic circuits
• Timing reference sources for digital systems requiring standard oscillators

Oscillators Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to ensure correct configuration. Confirm that the required operating temperature range and load conditions align with the system design specifications before finalizing procurement decisions.

Oscillators Selection Notes

Select this component when a 28.9767 MHz clock source with LVCMOS outputs is required. Ensure the design accommodates the 1.8V supply voltage and the physical dimensions of the 4-SMD package. Consider the standby functionality if power efficiency is a critical design parameter.

Oscillators Part Context

This part belongs to the Mercury Electronics XO (Standard) series. The model number indicates a specific frequency variant within the 18QHTF21 product line. The manufacturer specializes in frequency control products, including crystals and oscillators, with a history dating back to 1973.

Oscillators Replacement Considerations

No public confirmed substitute part numbers are available in the provided data. Consult the manufacturer for direct equivalents or cross-reference options based on electrical and mechanical compatibility.