18QHTF21-80.000625-PD

Overview

The 18QHTF21-80.000625-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 80.000625 MHz and utilizes LVCMOS output logic. The device functions with a supply voltage of 1.8V and includes a standby power-down feature for energy management. It is housed in a compact 4-SMD, No Lead package with dimensions of 2.0x1.6mm. This component is designed for precise timing applications requiring low voltage operation and small form factor integration.

Feature Summary

• Supports standby power-down mode for reduced power consumption
• Utilizes LVCMOS output logic for digital interface compatibility
• Compact 4-SMD no lead package design for surface mount assembly

Applications

• Digital signal processing systems
• Communication equipment timing circuits
• Embedded system clock generation

Procurement Notes

Verify the exact frequency tolerance and load capacitance requirements against your specific circuit design before procurement. Ensure that the 1.8V supply voltage aligns with your system's power rails. Confirm that the 4-SMD no lead package footprint matches your PCB layout constraints. Request the official datasheet from Mercury Electronics to validate electrical characteristics and reliability standards for your application environment.

Selection Notes

Select this model when a precise 80.000625 MHz clock source is required with low voltage operation. Consider the LVCMOS output compatibility with your downstream logic levels. Evaluate the thermal performance and stability requirements within the operating temperature range. Compare the physical dimensions against available board space to ensure the 2.0x1.6mm package fits your design constraints effectively.

Part Context

This oscillator belongs to the Mercury Electronics 18QHTF21 series, which offers various frequencies in a standardized small outline package. The series supports LVCMOS outputs and includes power-down capabilities. Mercury Electronics specializes in quartz crystals and oscillators, providing timing solutions for industrial and consumer electronics markets with a focus on reliability and precision frequency control.

Replacement Considerations

Check for direct substitutes with identical 80.000625 MHz frequency and 1.8V LVCMOS specifications. Verify pinout compatibility and package dimensions (2.0x1.6mm) to ensure mechanical interchangeability. Confirm that alternative components meet the same electrical performance criteria and operating temperature ranges as the original part.