18QHTF21-75.450-PD

Overview

The 18QHTF21-75.450-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd, operating at a frequency of 75.45 MHz. It utilizes LVCMOS output logic and functions with a supply voltage of 1.8V. The device supports a standby or power-down mode for energy management. It is housed in a compact 4-SMD, no lead package, suitable for surface-mount assembly.

Feature Summary

• Supports low-voltage operation at 1.8V
• Includes standby functionality for power reduction
• Features LVCMOS output interface

Applications

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

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against the target application design before procurement. Confirm that the 1.8V supply voltage aligns with the system power rails. Ensure the PCB footprint matches the 4-SMD no-lead package dimensions to guarantee proper soldering and mechanical stability during assembly.

Selection Notes

Select this component when a precise 75.45 MHz reference is required with minimal power consumption. The LVCMOS interface ensures compatibility with standard digital logic families. Consider the physical size constraints of the 4-SMD package for dense board layouts. Evaluate thermal performance if the device operates continuously near maximum temperature limits.

Part Context

Mercury Electronic Industrial Co., Ltd specializes in frequency control products, including quartz crystals and oscillators. This model belongs to their series of standard XO devices designed for reliable timing applications. The manufacturer has extensive experience in producing precision frequency components for various electronic industries.

Replacement Considerations

No public confirmed substitute part numbers are available for this specific model.