18QHTF21-67.250-OE

Overview

The 18QHTF21-67.250-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co., Ltd. It operates at a frequency of 67.25 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes an enable/disable control function. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Feature Summary

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

Applications

• Digital signal processing systems
• Communication equipment timing references
• Embedded microcontroller clock sources

Procurement Notes

Verify the specific ordering suffix to ensure correct output logic and voltage levels. Confirm package dimensions against PCB footprint requirements. Check manufacturer datasheets for temperature range specifications and load capacitance details before integration into final designs.

Selection Notes

Select this component when a 67.25 MHz reference with LVCMOS outputs is required. Ensure the 1.8V supply rail matches system voltage constraints. Consider the enable pin requirement for power optimization strategies during system design phases.

Part Context

This part belongs to Mercury Electronics' series of surface-mount oscillators. The model number indicates a 67.25 MHz frequency variant within the 18QHTF21 family. These components are designed for high-reliability applications in consumer and industrial electronics.

Replacement Considerations

Direct substitutes must match the 67.25 MHz frequency, LVCMOS output type, 1.8V supply, and 4-SMD no-lead package. Verify pinout compatibility and thermal characteristics before substitution.