18QHTF21-13.421773-OE

Overview

The 18QHTF21-13.421773-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a fixed frequency of 13.421773 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes enable/disable functionality for power management. 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 for power optimization
• Compact 4-SMD no-lead surface mount packaging

Applications

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

Procurement Notes

Verify the specific ordering suffix to ensure the correct frequency tolerance and load capacitance requirements are met for your design. Confirm that the 1.8V supply voltage aligns with your system's power rails. Check the datasheet for enable pin configuration details to ensure proper integration into your power management scheme.

Selection Notes

Select this component when a stable 13.421773 MHz reference is required in low-voltage environments. The LVCMOS output is suitable for direct interfacing with standard digital logic families. Consider the small form factor for space-constrained PCB layouts. Ensure the operating temperature range meets your environmental specifications.

Part Context

This part belongs to the Mercury Electronics XO series, which provides standard clock oscillators for various electronic applications. The manufacturer specializes in quartz crystals and timing devices, offering a range of frequencies and packages. This specific model represents a standard frequency option within their portfolio.

Replacement Considerations

Direct replacements must match the 13.421773 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Verify electrical parameters such as jitter and phase noise against the original specification to ensure functional equivalence.