18QHTF21-25.5454-PD

Oscillators Overview

The 18QHTF21-25.5454-PD is a standard crystal oscillator manufactured by Mercury Electronic Ind. Co., Ltd. It operates at a frequency of 25.5454 MHz and utilizes LVCMOS output logic. The device supports a supply voltage of 3.3V and includes a power-down feature for standby control. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0 x 1.6 mm.

Oscillators Feature Summary

• Integrates LVCMOS output logic for digital interface compatibility
• Includes power-down functionality to reduce consumption during standby
• Utilizes a leadless SMD package for surface-mount assembly

Oscillators Applications

• Precision frequency generation in compact electronic systems
• Clock signal distribution for digital circuits
• Timing reference sources for communication modules

Oscillators Procurement Notes

Verify the specific ordering suffix against manufacturer documentation to confirm electrical characteristics and package type. Ensure the selected variant matches the required supply voltage and output logic levels for the target application design.

Oscillators Selection Notes

Select this component when a 25.5454 MHz clock source is required in a minimal footprint. Consider the 3.3V operating requirement and the availability of power-down control signals in the system design to utilize the standby feature effectively.

Oscillators Part Context

This part belongs to the Mercury QHTF series of crystal oscillators. The series provides various frequencies within a standardized 2.0x1.6mm package, offering consistent mechanical dimensions across different frequency options for design flexibility.

Oscillators Replacement Considerations

Cross-reference with other Mercury parts sharing the QHTF form factor. Verify that substitute models match the 25.5454 MHz frequency, 3.3V voltage, and LVCMOS output requirements before implementation.