18QHTF21-1.24453-OE

Overview

The 18QHTF21-1.24453-OE is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 1.24453 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

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

Applications

• General purpose clock signal generation
• Digital circuit timing references
• Embedded system clock sources

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions provided in the official datasheet to guarantee proper soldering and electrical connection.

Selection Notes

Select this component when a low-profile surface-mount oscillator is required for 1.24453 MHz applications. Consider the LVCMOS output type for direct interfacing with standard digital logic families. Evaluate the enable/disable feature if power management or clock gating is necessary within the target application design constraints.

Part Context

This part belongs to the Mercury Electronics XO series, which provides standard frequency control solutions. The manufacturer specializes in quartz crystals and oscillators, offering various frequencies and packages. This specific model represents a standard configuration within their portfolio, targeting general electronic equipment needing reliable timing signals.

Replacement Considerations

Consult official cross-reference lists for compatible substitutes. Verify that any replacement maintains identical frequency, voltage, and package dimensions. Ensure the alternative component supports LVCMOS output and enable/disable functionality if these features are critical to the original design.