18QHTF21-80.566406-PD

Overview

The 18QHTF21-80.566406-PD is a standard crystal oscillator manufactured by Mercury Electronics Ind. Co. Ltd. It operates at a frequency of 80.566406 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.

Feature Summary

• Supports LVCMOS output logic for digital interface compatibility
• Includes standby or power-down functionality to reduce power consumption
• Designed as a standard crystal oscillator with high frequency stability

Applications

• General purpose clock signal generation in electronic circuits
• Timing reference for digital systems requiring 1.8V operation
• Embedded devices utilizing surface-mount technology constraints

Procurement Notes

Verify the exact operating temperature range 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 LVCMOS output levels are compatible with the receiving logic inputs to prevent signal integrity issues during operation.

Selection Notes

Select this component when a precise 80.566406 MHz clock source is required within a low-voltage 1.8V environment. The choice is driven by the need for a small form factor via the 4-SMD no-lead package. Consider the standby feature if power efficiency is a critical design parameter for the target application.

Part Context

This part belongs to the Mercury Electronics XO series, which focuses on quartz-based frequency control products. Mercury has decades of experience in manufacturing quartz crystals and oscillators. This specific model represents their capability to provide stable, surface-mountable timing solutions for modern electronics.

Replacement Considerations

Cross-reference tools suggest checking for parametrically similar parts. Verify that any substitute matches the 80.566406 MHz frequency, 1.8V supply, LVCMOS output, and 4-SMD package dimensions to ensure mechanical and electrical compatibility.