18QHTF21-67.392-OE

Overview

The 18QHTF21-67.392-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 67.392 MHz with a base resonator type of crystal. The device utilizes LVCMOS output logic and requires a supply voltage of 1.8V. It features an enable/disable control function for power management. The component is housed in a compact 4-SMD, No Lead package suitable for surface-mount applications. Maximum current consumption is specified at 26 mA, and the unit offers a frequency stability of 50 ppm.

Feature Summary

• Integrates LVCMOS output logic for direct digital interface compatibility
• Includes hardware enable and disable functionality for system power optimization
• Utilizes a crystal base resonator to ensure precise frequency generation

Applications

• High-speed data communication interfaces requiring stable clock signals
• Embedded systems utilizing low-voltage digital processors
• Consumer electronics devices with space-constrained PCB layouts

Procurement Notes

Verify that the specific part number matches the required frequency and voltage specifications before integration. Confirm that the 4-SMD no-lead package dimensions align with the target footprint design. Ensure the supply voltage provided to the circuit strictly adheres to the 1.8V requirement to prevent damage or malfunction. Check for any specific handling requirements related to electrostatic discharge during assembly processes.

Selection Notes

Select this component when a precise 67.392 MHz clock source is needed for low-voltage digital circuits. The 1.8V operating voltage makes it suitable for modern portable and energy-efficient designs. Consider the 50 ppm stability if the application does not require tighter tolerance levels. The enable pin allows for dynamic power control, which is beneficial for battery-operated devices requiring extended standby times.

Part Context

This oscillator belongs to the Mercury Electronics series of surface-mount clock generators. The company specializes in quartz-based frequency control products, including crystals and oscillators. This specific model represents a standard single-output solution designed for general-purpose timing applications in consumer and industrial electronics markets.

Replacement Considerations

Direct substitutes include other 67.392 MHz LVCMOS oscillators from Mercury Electronics such as the 18QHTF21-50.256-OE or 18QHTF21-37.200-OE, provided the frequency difference is acceptable for the system design. Verify pinout compatibility and voltage levels when considering alternative manufacturers.