18QHTF21-12.296-OE

Overview

The 18QHTF21-12.296-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 12.296 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes an enable/disable control feature. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Features enable/disable pin for power management control
• Utilizes a leadless SMD package for automated assembly

Applications

• Timing and clock signal generation in electronic devices
• Embedded systems requiring stable frequency references
• Consumer electronics with low-voltage requirements

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Ensure that the 1.8V supply voltage aligns with the system's power rails. Confirm that the enable/disable functionality is utilized correctly in the schematic to manage power consumption during idle states. Cross-reference the package dimensions with the PCB footprint to ensure mechanical compatibility.

Selection Notes

Select this component when a 12.296 MHz frequency is required with LVCMOS outputs. Consider the 1.8V operating voltage for low-power designs. Evaluate the need for an enable pin to optimize energy efficiency. Compare the 4-SMD no-lead package against available alternatives for space constraints. Verify temperature range specifications if operating in extreme environments.

Part Context

This oscillator belongs to the 18QHTF series from Mercury Electronics, known for precision frequency control products. The manufacturer has been active in the crystal industry since 1973. This specific model represents a standard XO configuration optimized for modern surface-mount technology. It serves as a critical timing element in various digital circuits.

Replacement Considerations

Direct substitutes include other 12.296 MHz LVCMOS oscillators with identical 1.8V operation and 4-SMD no-lead packaging. Verify pinout compatibility and electrical characteristics such as phase noise and stability before substitution.