18QHTF21-27.456-PD

Oscillators Overview

The 18QHTF21-27.456-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd, operating at a fixed frequency of 27.456 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device features a standby or power-down mode capability for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm. This component is designed for surface-mount applications requiring precise clock signals.

Oscillators Feature Summary

• Supports low-voltage operation at 1.8V with LVCMOS output compatibility
• Includes standby or power-down functionality for reduced power consumption
• Utilizes a small form factor 4-SMD no-lead package for space-constrained designs

Oscillators Applications

• Clock signal generation for digital circuits
• Embedded systems requiring precise timing references
• Portable electronic devices utilizing low-power oscillators

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your system design before procurement. Confirm that the 1.8V supply voltage aligns with your target platform's power rails. Ensure the 4-SMD no-lead package footprint matches your PCB layout constraints. Check for any specific reflow soldering profile recommendations provided by the manufacturer to ensure reliable assembly.

Oscillators Selection Notes

Select this component when a stable 27.456 MHz reference is required in a minimal footprint. Consider the 1.8V supply constraint and LVCMOS interface compatibility with your microcontroller or FPGA. Evaluate the need for standby modes if power efficiency is critical. Compare performance against other Mercury Electronics XO series options if different frequencies or packages are needed.

Oscillators Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of surface-mount crystal oscillators. The series typically offers various standard frequencies and supports low-voltage operations. Mercury Electronics specializes in quartz crystals and frequency control products, leveraging decades of manufacturing expertise in Taiwan to produce reliable timing components for global electronics markets.

Oscillators Replacement Considerations

Direct substitutes may include other 27.456 MHz LVCMOS oscillators in 4-SMD packages from compatible manufacturers. Verify pinout compatibility and electrical specifications such as supply voltage and output swing. Cross-reference with similar Mercury Electronics models like the 18QHTF21-18.1059-PD if frequency differences are acceptable.