18QHTF21-25.45625-OE

Oscillators Overview

The 18QHTF21-25.45625-OE is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 25.45625 MHz and utilizes LVCMOS output logic. The device requires a supply voltage of 1.8V and features an enable/disable control function. It is housed in a compact 4-SMD, No Lead package designed for surface mount applications.

Oscillators Feature Summary

• Supports active enable and disable control functions for power management
• Utilizes LVCMOS output logic for digital interface compatibility
• Designed with a leadless SMD package for automated surface mounting

Oscillators Applications

• Digital signal processing systems requiring precise clock timing
• Embedded controllers utilizing low-voltage logic interfaces
• Communication modules needing stable frequency generation

Oscillators Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target circuit design before procurement. Confirm that the 1.8V supply rail is stable and within the operational limits specified in the official datasheet to ensure reliable oscillator performance and longevity.

Oscillators Selection Notes

Select this component when a 25.45625 MHz clock source is required with LVCMOS compatibility. Ensure the application supports the 1.8V operating voltage and can accommodate the 4-SMD no-lead form factor. Consider the enable/disable feature if power conservation during idle states is a system requirement.

Oscillators Part Context

This part belongs to the QHTF series of crystal oscillators from Mercury Electronics. The series offers various frequencies and voltage options, including 2.5V variants like the 25QHTF21 series. The 'OE' suffix typically denotes specific ordering or packaging configurations defined by the manufacturer.

Oscillators Replacement Considerations

Direct substitutes include other 25.45625 MHz LVCMOS oscillators in 4-SMD packages with 1.8V operation. Verify pinout compatibility and electrical specifications before substitution. Cross-reference with Mercury's own family members for guaranteed parameter alignment.