18QHTF21-75.750-PD

Overview

The 18QHTF21-75.750-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 75.750 MHz and utilizes an LVCMOS output signal format. The device functions with a supply voltage of 1.8V and includes a standby or power-down control feature for energy management. It is housed in a compact 4-SMD, No Lead package suitable for surface-mount assembly.

Feature Summary

• Supports LVCMOS output interface
• Includes standby and power-down functionality
• Designed for surface-mount applications

Applications

• General clock signal generation
• Digital circuit timing reference
• Embedded system synchronization

Procurement Notes

Verify the specific frequency tolerance and load capacitance requirements against your design specifications before procurement. Confirm that the 1.8V supply voltage aligns with your system's power rails. Ensure the 4-SMD no-lead package dimensions fit within your PCB footprint constraints. Cross-reference the manufacturer datasheet for detailed electrical characteristics and reliability data to ensure compliance with your project standards.

Selection Notes

Select this component when a precise 75.750 MHz clock source is required with low-voltage operation. Consider the LVCMOS compatibility with your downstream logic levels. Evaluate the need for power-down capabilities if energy efficiency is a priority. Verify that the small form factor meets space limitations on the target printed circuit board layout.

Part Context

This part belongs to the Mercury Electronics 18QHTF21 series of standard XO oscillators. The series offers various frequencies and voltage options. Mercury Electronics specializes in quartz frequency control products including crystals, TCXOs, and OCXOs. This specific model represents a fixed-frequency solution for stable timing applications.

Replacement Considerations

Direct substitutes must match the 75.750 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package. Check pinout compatibility and thermal characteristics. Verify equivalent jitter and phase noise specifications. Consult official cross-reference lists from Mercury Electronics or authorized distributors for validated alternatives.