18QHTF21-25.005625-PD

Oscillators Overview

The 18QHTF21-25.005625-PD is a standard crystal oscillator (XO) manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a nominal frequency of 25.005625 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 1.8V and includes a standby or power-down function for energy management. It is housed in a compact 4-SMD, No Lead package, suitable for surface-mount applications requiring precise timing signals.

Oscillators Feature Summary

• LVCMOS output logic interface
• Integrated standby and power-down functionality
• Surface-mount 4-SMD no lead package

Oscillators Applications

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

Oscillators Procurement Notes

Verify the specific ordering suffix and frequency tolerance against the official datasheet before procurement. Ensure the supply voltage requirements match the target application design. Confirm package dimensions and pin configuration compatibility with the PCB footprint to avoid assembly issues.

Oscillators Selection Notes

Select this component when a 25.005625 MHz clock source with LVCMOS outputs is required. Consider the 1.8V supply constraint and the availability of a power-down feature for low-power designs. Verify that the 4-SMD package fits within the mechanical constraints of the enclosure.

Oscillators 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 packages and voltage options. This specific model represents a standard frequency variant within their portfolio.

Oscillators Replacement Considerations

Direct substitutes must match the 25.005625 MHz frequency, LVCMOS output, 1.8V supply, and 4-SMD package. Cross-reference with other manufacturers' equivalent parts ensuring identical electrical parameters and pinout compatibility.