18QHTF21-31.45728-OE

Oscillators Overview

The 18QHTF21-31.45728-OE is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a fixed frequency of 31.45728 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and features an Enable/Disable control interface for power management. It is housed in a compact 4-SMD, No Lead package, designed for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• Supports Enable/Disable functionality for active power control
• Utilizes LVCMOS output logic for digital interfacing
• Operates on a low voltage supply of 1.8V

Oscillators Applications

• Digital signal processing systems
• Communication equipment timing circuits
• Embedded system clock generation

Oscillators Procurement Notes

Verify the specific suffix OE against the manufacturer's current datasheet to confirm pinout compatibility and electrical tolerances. Ensure the 1.8V supply requirement aligns with the target circuit design before integration. Cross-reference the 4-SMD no-lead package dimensions with PCB footprint libraries to prevent assembly errors during manufacturing.

Oscillators Selection Notes

Select this component when a stable 31.45728 MHz reference is required for LVCMOS-compatible digital logic. The 1.8V operating voltage makes it suitable for modern low-power portable devices. Consider the Enable/Disable feature if dynamic power management is necessary for the application environment.

Oscillators Part Context

This part belongs to the 18QHTF21 series from Mercury Electronics, which offers various frequencies within a small form factor. The series is known for providing reliable quartz-based timing solutions. Similar models in the lineup include variants with different frequencies such as 50.256 MHz or 44.2 MHz, maintaining consistent package and voltage specifications.

Oscillators Replacement Considerations

Direct substitutes may include other 18QHTF21 series parts with identical frequency and voltage ratings but different suffixes indicating minor packaging or tolerance variations. Verify that any replacement maintains the LVCMOS output type and 1.8V supply constraints.